1. Origins of the physician assistant movement in the United States;Cawley;J Am Acad PAs,2012
2. Physician assistants: policy and practice;Hooker,2017
3. By the numbers: program report 34: data from the 2018 program survey;Physician Assistant Education Association,2019
4. Nurse practitioners, physician assistants, and certified nurse-midwives: a policy analysis. Health technology case study 37. NTIS Order #PB87-177465;Office of Technology Assessment,1986