Filtering by: Contributor Association of Physician Assistant Programs Remove constraint Contributor: Association of Physician Assistant Programs Librarian Author Proffitt, John R. Remove constraint Librarian Author: Proffitt, John R. 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 Correspondence Remove constraint Subject: Correspondence