| from 02/01/2001 to present in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 01/01/1988 to present in ABI/INFORM Global |
| from 07/10/2003 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 02/01/2001 to present in Curtis Memorial Print Holdings |
| from 10/01/1994 to present in ABI/INFORM Global |
| from 07/01/1993 to present in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 12/01/1987 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 09/27/1994 to present in ABI/INFORM Trade & Industry |
| from 01/01/1979 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1987 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/01/1975 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 02/01/1988 to present in ABI/INFORM Global |
| from 09/01/1965 to 1 year ago in Business Source Corporate and Business Source Premier |
| from 09/02/1997 to 03/29/2000 in Newspaper Source |
| from 11/01/2002 to present in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 01/01/1997 to 1 year ago in Academic Search Premier and Professional Development Collection |
| from 01/01/2002 to present in Academic Search Premier and Professional Development Collection |
| from 12/01/1987 to 6 months ago in Academic Search Premier, Sociological Collection and Professional Development Collection |
| from 02/01/1987 to present in Business Source Corporate and Business Source Premier |
| from 02/01/1987 to 11/01/2001 in ABI/INFORM Global |
| from 03/01/1963 to 12/01/1985 in ABI/INFORM Global |
| from 03/01/1987 to 12/01/2001 in ABI/INFORM Global |
| from 04/01/1958 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1976 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1976 to 10/01/1985 in ABI/INFORM Global |
| from 01/01/1987 to 10/01/2001 in ABI/INFORM Global |
| from 01/01/1998 to present in ABI/INFORM Global |
| from 03/01/1990 to 06/01/2001 in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/2001 to present in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 01/02/1995 to present in ProQuest Newsstand (Complete) and ABI/INFORM Trade & Industry |
| from 01/01/1995 to 12/01/1997 in Alt-HealthWatch |
| from 01/01/1997 to 6 months ago in Business Source Corporate and Business Source Premier |
| from 01/01/1992 to present in ABI/INFORM Global |
| from 12/01/1996 to present in ABI/INFORM Global |
| from 05/01/1993 to 1 year ago in Business Source Corporate and Business Source Premier |
| from 01/01/2001 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1992 to 1 year ago in ABI/INFORM Global |
| from 10/01/1990 to 1 year ago in Business Source Corporate and Business Source Premier |
| from 01/01/2001 to 07/01/2002 in Business Source Corporate and Business Source Premier |
| from 08/01/2002 to present in Business Source Corporate and Business Source Premier |
| from 07/01/1996 to 07/01/1997 in Business Source Corporate, Business Source Premier and Professional Development Collection |
| from 03/01/1992 to 1 year ago in Business Source Corporate, Business Source Premier and Professional Development Collection |
| from 06/01/1993 to present in ABI/INFORM Trade & Industry |
| from 03/01/1999 to 1 year ago in Business Source Corporate and Business Source Premier |
| from 03/01/1987 to present in Business Source Corporate and Business Source Premier |
| from 12/01/1987 to present in ABI/INFORM Global |
| from 11/01/2000 to present in ABI/INFORM Trade & Industry |
| from 01/01/1988 to present in ABI/INFORM Global |
| from 03/01/1926 to present in Business Source Corporate and Business Source Premier |
| from 07/01/1997 to present in Business Source Corporate, Business Source Premier and Vocational & Career Collection |
| from 08/01/1992 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 07/07/2003 to present in Business Source Corporate and Business Source Premier |
| from 03/01/1973 to 12/01/1984 in Business Source Corporate and Business Source Premier |
| from 11/01/2002 to present in Professional Development Collection |
| from 12/01/1990 to 12/01/2000 in ABI/INFORM Global |
| from 01/01/2000 to 1 year ago in Academic Search Premier |
| from 01/01/2002 to present in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 02/21/1985 to present in ABI/INFORM Global |
| from 07/01/1993 to present in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 09/01/2000 to present in ABI/INFORM Trade & Industry |
| from 02/01/1998 to 1 year ago in Academic Search Premier and Business Source Corporate |
| from 03/01/1998 to 1 year ago in Academic Search Premier and Business Source Corporate |
| from 01/01/1999 to 1 year ago in Academic Search Premier |
| from 01/01/1999 to 1 year ago in ABI/INFORM Global |
| from 11/01/2001 to 1 year ago in Academic Search Premier |
| from 08/01/2002 to 1 year ago in Academic Search Premier |
| from 04/20/1998 to 1 year ago in Academic Search Premier |
| from 09/01/1999 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 01/01/1996 to present in Academic Search Premier |
| from 10/01/1996 to 1 year ago in Academic Search Premier, Business Source Corporate and Computer Source |
| from 01/01/2000 to 1 year ago in Academic Search Premier and Business Source Corporate |
| from 01/01/1999 to 1 year ago in Academic Search Premier and Business Source Corporate |
| from 01/01/2000 to 1 year ago in Academic Search Premier and Psychology & Behavioral Sciences Collection |
| from 01/01/1999 to 1 year ago in Academic Search Premier |
| from 04/02/1998 to 1 year ago in Academic Search Premier |
| from 05/18/1998 to 1 year ago in Academic Search Premier |
| from 02/01/2000 to 1 year ago in Academic Search Premier |
| from 08/01/1998 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 05/27/1998 to 1 year ago in Academic Search Premier, Health Source: Nursing/Academic Edition and Psychology & Behavioral Sciences Collection |
| from 08/25/1998 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 01/01/1998 to 1 year ago in Academic Search Premier and Psychology & Behavioral Sciences Collection |
| from 01/01/2000 to 1 year ago in Academic Search Premier and Psychology & Behavioral Sciences Collection |
| from 01/01/1999 to 1 year ago in Academic Search Premier |
| from 03/01/1969 to 1 year ago in Academic Search Premier, Business Source Corporate, Business Source Premier and Sociological Collection |
| from 01/01/1999 to 1 year ago in Academic Search Premier |
| from 07/01/2003 to present in Professional Development Collection |
| from 03/01/1995 to present in Alt-HealthWatch |
| from 05/01/1990 to present in Alt-HealthWatch |
| from 09/01/2000 to 07/01/2002 in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 01/01/1997 to present in Academic Search Premier, Health Source: Nursing/Academic Edition and Psychology & Behavioral Sciences Collection |
| from 01/01/1993 to present in Academic Search Premier, Health Source: Nursing/Academic Edition, Psychology & Behavioral Sciences Collection and Sociological Collection |
| from 07/01/1996 to 6 months ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 01/01/1994 to 06/01/1996 in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier and MAS Ultra - School Edition |
| from 04/01/1997 to 12/01/2000 in Academic Search Premier, Health Source: Nursing/Academic Edition, Psychology & Behavioral Sciences Collection and Sociological Collection |
| from 01/01/2001 to 6 months ago in Academic Search Premier, Health Source: Nursing/Academic Edition, Psychology & Behavioral Sciences Collection and Sociological Collection |
| from 09/01/1999 to 06/01/2002 in Business Source Corporate and Business Source Premier |
| from 02/01/2001 to present in ABI/INFORM Trade & Industry |
| from 06/01/1996 to present in Business Source Corporate, Business Source Premier and Vocational & Career Collection |
| from 01/01/1997 to present in Business Source Corporate, Business Source Premier and Vocational & Career Collection |
| from 08/01/1992 to 07/01/1999 in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/23/1992 to 08/21/1997 in ProQuest Newsstand (Complete) |
| from 02/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 02/01/2003 to present in ABI/INFORM Trade & Industry |
| from 12/01/1987 to 04/01/1988 in ABI/INFORM Global |
| from 03/01/1987 to 09/01/2001 in ABI/INFORM Global |
| from 06/01/1956 to present in Business Source Corporate and Business Source Premier |
| from 03/01/2000 to present in Academic Search Premier and Business Source Premier |
| from 01/01/2000 to present in Academic Search Premier, Psychology & Behavioral Sciences Collection and Vocational & Career Collection |
| from 07/01/1996 to present in Academic Search Premier, MasterFILE Premier, Vocational & Career Collection and Professional Development Collection |
| from 06/01/1996 to present in Academic Search Premier |
| from 07/01/1996 to present in Academic Search Premier, MasterFILE Premier, Vocational & Career Collection and Professional Development Collection |
| from 01/01/1995 to present in Academic Search Premier, MasterFILE Premier and Professional Development Collection |
| from 03/01/1999 to present in Academic Search Premier and Psychology & Behavioral Sciences Collection |
| from 03/01/1998 to 6 months ago in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 07/01/1996 to present in Academic Search Premier, Business Source Corporate and Vocational & Career Collection |
| from 04/01/2003 to present in Business Source Corporate and Business Source Premier |
| from 03/01/1999 to 6 months ago in Academic Search Premier and Business Source Corporate |
| from 09/01/1998 to 6 months ago in Academic Search Premier and Business Source Corporate |
| from 01/01/1994 to 09/01/1998 in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier, Psychology & Behavioral Sciences Collection and Sociological Collection |
| from 01/01/1997 to present in ABI/INFORM Global |
| from 03/01/2001 to 1 year ago in Academic Search Premier |
| from 01/01/1974 to present in Business Source Corporate and Business Source Premier |
| from 08/01/2003 to 1 year ago in ABI/INFORM Global |
| from 01/01/2001 to present in Business Source Corporate and Business Source Premier |
| from 01/01/2001 to 6 months ago in ABI/INFORM Global |
| from 01/01/2001 to present in Academic Search Premier |
| from 01/01/2001 to present in Business Source Corporate and Business Source Premier |
| from 01/01/2001 to 6 months ago in ABI/INFORM Global |
| from 01/01/1999 to present in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier, Psychology & Behavioral Sciences Collection and Sociological Collection |
| from 03/01/1999 to present in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 01/01/1975 to 1 year ago in Academic Search Premier and Business Source Corporate |
| from 06/01/1999 to 1 year ago in Academic Search Premier |
| from 01/01/2001 to present in Business Source Corporate and Business Source Premier |
| from 01/01/2001 to 6 months ago in ABI/INFORM Global |
| from 03/01/1996 to 09/01/2001 in Academic Search Premier, Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 06/10/1996 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, MasterFILE Premier, MAS Ultra - School Edition and Vocational & Career Collection |
| from 11/15/1999 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 5 years to present in Curtis Memorial Print Holdings |
| from 07/01/1996 to 07/01/2000 in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 02/01/1996 to 01/01/2000 in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 07/01/1996 to 10/01/2001 in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 03/01/2003 to present in Business Source Premier |
| from 01/01/2000 to present in Business Source Corporate and Business Source Premier |
| from 12/01/1987 to 12/01/2002 in ABI/INFORM Global |
| from 08/01/2003 to present in ABI/INFORM Trade & Industry |
| from 07/08/2003 to present in Newspaper Source |
| from 01/04/1992 to present in ProQuest Newsstand (Complete) |
| from 09/17/1996 to present in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 07/01/1996 to present in Business Source Corporate, Business Source Premier and MasterFILE Premier |
| from 10/13/1997 to 02/10/2003 in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 07/05/1999 to 01/27/2003 in Business Source Premier |
| from 10/06/1997 to 01/27/2003 in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 07/05/1999 to 01/27/2003 in Business Source Premier |
| from 10/06/1997 to 01/27/2003 in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 07/05/1999 to 01/27/2003 in Business Source Premier |
| from 10/20/1997 to 01/27/2003 in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 10/06/1997 to 01/27/2003 in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 02/03/2003 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 05/01/2001 to present in Business Source Premier and Computer Source |
| from 09/01/1997 to 1 month ago in ABI/INFORM Global |
| from 01/03/1994 to 01/27/2003 in Business Source Premier and MasterFILE Premier |
| from 10/13/1997 to 01/27/2003 in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/01/1999 to 1 year ago in Academic Search Premier and Business Source Corporate |
| from 11/27/2000 to present in ABI/INFORM Trade & Industry |
| from 12/01/1999 to 06/01/2002 in Academic Search Premier, MasterFILE Premier and Vocational & Career Collection |
| from 01/01/2003 to present in Business Source Corporate and Business Source Premier |
| from 09/01/2000 to present in Business Source Corporate and Business Source Premier |
| from 01/01/1992 to present in ABI/INFORM Global |
| from 11/01/1999 to present in Academic Search Premier, Business Source Corporate and Business Source Premier |
| from 03/01/1975 to present in Academic Search Premier and Religion & Philosophy Collection |
| from 01/01/1992 to 05/01/1995 in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 03/01/1990 to present in Academic Search Premier |
| from 03/01/1992 to present in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 12/01/1992 to present in Literature Resource Center |
| from 02/01/2002 to 6 months ago in Academic Search Premier |
| from 04/01/1990 to present in Academic Search Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 06/01/2001 to present in Literature Resource Center |
| from 01/01/2000 to present in Business Source Corporate and Business Source Premier |
| from 11/01/1996 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 06/01/1999 to 1 year ago in Academic Search Premier and Business Source Premier |
| from 03/01/1998 to 1 year ago in Academic Search Premier |
| from 09/03/2001 to 10/25/2002 in ABI/INFORM Trade & Industry |
| from 03/01/2000 to 08/01/2000 in Academic Search Premier and Religion & Philosophy Collection |
| from 02/01/2002 to present in Academic Search Premier |
| from 07/01/1999 to 1 year ago in Academic Search Premier and Sociological Collection |
| from 04/01/2000 to present in Academic Search Premier |
| from 06/01/1996 to present in Academic Search Premier, Business Source Corporate, MasterFILE Premier and Vocational & Career Collection |
| from 01/01/1994 to present in Business Source Corporate, Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 12/01/2000 to present in ABI/INFORM Trade & Industry |
| from 01/01/1998 to 11/01/1999 in ABI/INFORM Trade & Industry |
| from 01/01/1997 to 6 months ago in Academic Search Premier and Sociological Collection |
| from 12/01/1987 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 03/01/1998 to present in ABI/INFORM Trade & Industry |
| from 01/01/1990 to 01/01/1994 in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier, Psychology & Behavioral Sciences Collection and MAS Ultra - School Edition |
| from 02/01/1997 to 1 year ago in Academic Search Premier, Health Source: Nursing/Academic Edition and Psychology & Behavioral Sciences Collection |
| from 01/01/2002 to present in MasterFILE Premier |
| from 05/15/1998 to 02/11/2000 in ProQuest Newsstand (Complete) and ABI/INFORM Trade & Industry |
| from 02/01/1999 to 1 year ago in Academic Search Premier |
| from 12/01/1997 to present in Business Source Corporate and Business Source Premier |
| from 09/01/2000 to present in Academic Search Premier |
| from 01/01/1988 to present in ABI/INFORM Trade & Industry |
| from 07/01/1993 to present in Academic Search Premier, Business Source Corporate, Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 03/01/1999 to 1 year ago in ABI/INFORM Global |
| from 08/31/1997 to present in Newspaper Source |
| from 01/02/1995 to present in Business Source Corporate, Business Source Premier, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 06/01/2001 to present in Academic Search Premier |
| from 03/01/1997 to 3 months ago in Academic Search Premier, Business Source Corporate, Business Source Premier and Computer Source |
| from 01/01/1990 to 6 months ago in Academic Search Premier, Health Source: Nursing/Academic Edition, Psychology & Behavioral Sciences Collection and Sociological Collection |
| from 02/01/2002 to present in Academic Search Premier, Health Source: Nursing/Academic Edition and Psychology & Behavioral Sciences Collection |
| from 01/01/1998 to 9 months ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 12/01/1990 to 12/01/1998 in Alt-HealthWatch |
| from 01/01/1993 to present in ABI/INFORM Global |
| from 04/01/2003 to present in Academic Search Premier |
| from 09/01/2002 to present in Academic Search Premier, MasterFILE Premier and Vocational & Career Collection |
| from 5 years to present in Curtis Memorial Print Holdings |
| from 01/19/1995 to 12/17/1998 in ABI/INFORM Trade & Industry |
| from 07/01/1998 to present in ABI/INFORM Trade & Industry |
| from 08/01/2001 to present in Business Source Corporate and Business Source Premier |
| from 01/10/1994 to present in Business Source Corporate, Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 11/03/1997 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 07/01/1997 to present in Business Source Corporate and Business Source Premier |
| from 10/01/1996 to present in ABI/INFORM Global |
| from 04/01/1999 to present in Academic Search Premier |
| from 01/01/1996 to present in Academic Search Premier and MasterFILE Premier |
| from 01/01/1999 to present in Business Source Corporate and Business Source Premier |
| from 03/01/1999 to present in Academic Search Premier, MasterFILE Premier and Vocational & Career Collection |
| from 04/11/1994 to present in ABI/INFORM Trade & Industry |
| from 07/01/2002 to 28 days ago in ABI/INFORM Trade & Industry |
| from 01/01/1991 to present in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 07/01/1997 to present in Business Source Corporate, Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 12/01/1997 to present in Business Source Corporate and Business Source Premier |
| from 12/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 09/01/2002 to 28 days ago in ABI/INFORM Global |
| from 01/01/1997 to 1 year ago in ABI/INFORM Trade & Industry |
| from 01/09/1995 to present in ABI/INFORM Trade & Industry |
| from 01/01/1993 to 28 days ago in ABI/INFORM Global and ABI/INFORM Trade & Industry |
| from 01/01/2002 to present in Business Source Corporate and Business Source Premier |
| from 11/01/2002 to 5 days ago in ABI/INFORM Trade & Industry |
| from 04/04/1994 to present in ABI/INFORM Trade & Industry |
| from 09/03/2001 to present in ABI/INFORM Trade & Industry |
| from 01/18/1995 to 03/27/1996 in ABI/INFORM Trade & Industry |
| from 07/01/1998 to present in MasterFILE Premier and Vocational & Career Collection |
| from 02/16/2003 to present in Newspaper Source |
| from 01/03/1995 to present in ABI/INFORM Trade & Industry |
| from 03/01/1990 to 09/01/1999 in Academic Search Premier and MasterFILE Premier |
| from 02/27/1997 to present in Newspaper Source |
| from 01/01/1987 to 10/01/1991 in ABI/INFORM Global |
| from 08/11/2002 to present in ABI/INFORM Trade & Industry |
| from 01/01/2002 to present in Academic Search Premier |
| from 02/04/1985 to present in ProQuest Newsstand (Complete) |
| from 02/17/2003 to present in Newspaper Source |
| from 01/01/2003 to present in Business Source Corporate and Business Source Premier |
| from 09/01/2000 to present in Business Source Corporate and Business Source Premier |
| from 09/01/1998 to present in Academic Search Premier |
| from 02/01/1985 to 07/01/1992 in ProQuest Newsstand (Complete) |
| from 01/04/1993 to 10/11/1999 in Academic Search Premier, Business Source Corporate, Business Source Premier, MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/2000 to present in MasterFILE Premier |
| from 03/01/2002 to present in Literature Resource Center |
| from 01/01/1995 to present in ProQuest Newsstand (Complete) |
| from 04/19/2001 to present in Newspaper Source |
| from 03/01/1990 to 12/01/1998 in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier and MAS Ultra - School Edition |
| from 03/01/1999 to present in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier and MAS Ultra - School Edition |
| from 12/01/2001 to present in MasterFILE Premier |
| from 01/03/1994 to present in Academic Search Premier and MasterFILE Premier |
| from 07/01/1998 to present in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier and MAS Ultra - School Edition |
| from 08/01/1993 to 06/01/1998 in Academic Search Premier, Health Source: Nursing/Academic Edition, MasterFILE Premier and MAS Ultra - School Edition |
| from 01/01/2000 to present in Literature Resource Center |
| from 10/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 01/01/2003 to present in Business Source Corporate and Business Source Premier |
| from 09/01/2000 to present in Business Source Corporate and Business Source Premier |
| from 01/01/2001 to present in Literature Resource Center |
| from 01/01/1998 to 1 year ago in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 01/01/1990 to present in Alt-HealthWatch |
| from 09/01/1995 to 06/01/1997 in Alt-HealthWatch |
| from 09/01/1994 to present in MasterFILE Premier and Vocational & Career Collection |
| from 12/15/1998 to present in Newspaper Source |
| from 06/01/1998 to 1 year ago in Academic Search Premier |
| from 01/01/1999 to 1 year ago in Academic Search Premier |
| from 12/31/1991 to 08/14/1997 in ProQuest Newsstand (Complete) |
| from 01/01/2002 to present in Alt-HealthWatch, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 03/01/1995 to present in Alt-HealthWatch |
| from 01/01/1998 to 10/01/2000 in Academic Search Premier |
| from 01/01/2001 to 6 months ago in Academic Search Premier and MasterFILE Premier |
| from 09/01/2001 to present in Business Source Corporate, Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 06/01/1996 to 07/01/2001 in Business Source Corporate, Business Source Premier, MasterFILE Premier and Vocational & Career Collection |
| from 12/01/1998 to present in Business Source Corporate and Business Source Premier |
| from 01/01/2000 to present in Academic Search Premier and Health Source: Nursing/Academic Edition |
| from 01/01/2002 to present in MasterFILE Premier |
| from 06/01/2000 to present in Alt-HealthWatch |