122
Publicat 1987
Full text available from ABI/INFORM Global: 02/01/1987 to 11/30/1989
Electrònic Revista
123
Publicat 1993
Full text available from ABI/INFORM Global: 05/01/1993 to 11/30/2001
Electrònic Revista
125
Publicat 2006
Full text available from Healthcare Administration Database: 02/01/1987 to 11/30/2001
Electrònic Revista
127