Rousselot, L M The evolution of the physician's assistant: Brownian movement or coordinated progress. [electronic resource] - Bulletin of the New York Academy of Medicine Dec 1971 - 1473-500 p. digital Publication Type: Historical Article; Journal Article ISSN: 0028-7091 Subjects--Topical Terms: History, 19th CenturyHistory, 20th CenturyPhysician Assistants--historyRussia (Pre-1917)USSRUnited States