Filtering by: Creator Sadler, Alfred Mitchell, 1941- Remove constraint Creator: Sadler, Alfred Mitchell, 1941- 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 Sadler, Alfred Mitchell, 1941- Remove constraint Subject: Sadler, Alfred Mitchell, 1941-