Filtering by: Collection PA Implementation Era (1966-1972) Remove constraint Collection: PA Implementation Era (1966-1972) Subject American Academy of Physicians' Associates Remove constraint Subject: American Academy of Physicians' Associates Subject American College of Physicians Assistants Remove constraint Subject: American College of Physicians Assistants Subject American Medical Association Remove constraint Subject: American Medical Association Subject Physician Assistants -- history Remove constraint Subject: Physician Assistants -- history