8
Argitaratua 1996
Full text available from ABI/INFORM Global: 06/01/1999 to 12/31/2002
Baliabide elektronikoa Aldizkaria
10
Full text available from ABI/INFORM Global: 01/01/2000 to 07/31/2005
Baliabide elektronikoa Aldizkaria
14
Argitaratua 1978
Full text available from Healthcare Administration Database: 05/01/1993 to 2009
Baliabide elektronikoa Aldizkaria
17