1
Full text available from Research Library: 01/01/1988 to Spring 2010
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
12
Έκδοση 1993
Full text available from Education Database: 01/01/1998 to 05/31/2006
Full text available from Nursing & Allied Health Database: 01/01/1998 to 05/31/2006
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
13
Έκδοση 2009
Full text available from Nursing & Allied Health Database: 01/01/2017 to present
Full text available from Public Health Database: 01/01/2017 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
18
Έκδοση 1980
Full text available from Health & Medical Collection: 08/01/1998 to 12/31/1999
Full text available from Nursing & Allied Health Database: 08/01/1998 to 12/31/1999
Full text available from Research Library: 08/01/1998 to 12/31/1999
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
19
Έκδοση 1998
Full text available from Health & Medical Collection: 01/01/1998 to 2008
Full text available from Public Health Database: 01/01/1998 to 2008
Full text available from Research Library: 01/01/1998 to 2008
Full text available from Science Database: 01/01/1998 to 2008
Ηλεκτρονική πηγή Επιστημονικό περιοδικό