9
Argitaratua 1978
Full text available from Healthcare Administration Database: 05/01/1993 to 2009
Baliabide elektronikoa Aldizkaria
19
Argitaratua 2006
Full text available from ABI/INFORM Global: 01/01/2006 to 12/31/2019
Baliabide elektronikoa Aldizkaria