62
63
Argitaratua 1957
Full text available from ABI/INFORM Global: 01/01/1958 to 12/31/1962
Baliabide elektronikoa Aldizkaria
65
Full text available from ABI/INFORM Global: 01/01/2000 to 07/31/2005
Baliabide elektronikoa Aldizkaria
68
Full text available from ABI/INFORM Global: 01/01/2003 to 09/30/2003
Baliabide elektronikoa Aldizkaria
78
Argitaratua 1978
Full text available from Healthcare Administration Database: 05/01/1993 to 2009
Baliabide elektronikoa Aldizkaria