Full text available from ABI/INFORM Global: 06/01/1927 to 12/31/1985
Full text available from Health & Medical Collection: 06/01/1927 to 12/31/1985
Full text available from ABI/INFORM Global: 01/01/1987 to 12/31/1996
Full text available from Healthcare Administration Database: 01/01/1987 to 12/31/1996
Full text available from Research Library: 01/01/1987 to 12/31/1996

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