1
Έκδοση 1857
Full text available from BMJ Journals: 1857 to 12/20/1980
Full text available from Health & Medical Collection: 01/03/1857 to 12/20/1980
Full text available from Nursing & Allied Health Database: 01/03/1857 to 12/20/1980
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
2
Full text available from Health & Medical Collection: 01/01/2011 to 10/31/2012
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
3
Έκδοση 1991
Full text available from Consumer Health Database: 07/01/2002 to 03/31/2006
Full text available from Health & Medical Collection: 07/01/2002 to 03/31/2006
Full text available from Nursing & Allied Health Database: 07/01/2002 to 03/31/2006
Ηλεκτρονική πηγή Επιστημονικό περιοδικό