1
Έκδοση 1988
...Electronic journals....
Full text available from Health & Medical Collection: 09/01/1983 to 12/31/1995
Full text available from Public Health Database: 09/01/1983 to 12/31/1995
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
2
Έκδοση 1983
...Electronic journals....
Full text available from Health & Medical Collection: 01/01/1983 to 08/31/1988
Full text available from Public Health Database: 01/01/1983 to 08/31/1988
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
3
Έκδοση 1980
...Electronic journals....
Full text available from Health & Medical Collection: 01/01/1980 to 12/31/1982
Full text available from Public Health Database: 01/01/1980 to 12/31/1982
Ηλεκτρονική πηγή Επιστημονικό περιοδικό