2
Έκδοση 1994
Full text available from ABI/INFORM Global: 01/01/2004 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
3
Full text available from ABI/INFORM Global: 11/01/2009 to 09/30/2011
Full text available from ABI/INFORM Global: 11/01/2011 to present
Full text available from Healthcare Administration Database: 11/01/2011 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό