Van Vught AJAH, Van Den Brink GTWJ, Harbert K, Ballweg R. Physician Assistant profession. The Wiley Blackwell Encyclopedia of Health, Illness, Behavior, and Society. 2014; 1830–1832.
Van Vught AJAH, Van Den Brink GTWJ, Harbert K, Ballweg R. Physician Assistant profession. The Wiley Blackwell Encyclopedia of Health, Illness, Behavior, and Society. 2014; 1830–1832.