TY - GEN AU - Rousselot,L M AU - Beard,S E AU - Berrey,B H TI - The evolution of the physician's assistant: Brownian movement or coordinated progress SN - 0028-7091 PY - 1972///0226 KW - History, 19th Century KW - History, 20th Century KW - Physician Assistants KW - history KW - Russia (Pre-1917) KW - USSR KW - United States N1 - Publication Type: Historical Article; Journal Article ER -