1
Full text available from Nursing & Allied Health Database: 05/01/1999 to 03/31/2006
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
2
Έκδοση 1995
Full text available from Health & Medical Collection: 04/01/2005 to 07/31/2005
Full text available from Healthcare Administration Database: 04/01/2005 to 07/31/2005
Full text available from Nursing & Allied Health Database: 04/01/2005 to 07/31/2005
Ηλεκτρονική πηγή Επιστημονικό περιοδικό