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Έκδοση 1977
...Electronic journals....
Full text available from ABI/INFORM Global: 01/01/1988 to 12/31/2011
Full text available from Healthcare Administration Database: 01/01/1988 to 12/31/2011
Full text available from ABI/INFORM Global: 01/01/2013 to 05/31/2013
Full text available from Healthcare Administration Database: 01/01/2013 to 05/31/2013
Ηλεκτρονική πηγή Επιστημονικό περιοδικό