Filtering by: Location Duke Medical Center Archives Remove constraint Location: Duke Medical Center Archives Collection PA Evaluation and Standardization Era (1973-1980) Remove constraint Collection: PA Evaluation and Standardization Era (1973-1980) Subject Association of Physician Assistant Programs Remove constraint Subject: Association of Physician Assistant Programs Subject Correspondence Remove constraint Subject: Correspondence Subject Sadler, Alfred Mitchell, 1941- Remove constraint Subject: Sadler, Alfred Mitchell, 1941- Year 1973 Remove constraint Year: 1973