title: P. V. POSNIKOV: PIONEER RUSSIAN PHYSICIAN.
mesh_terms: D005006:Ethnicity; D049670:History, 17th Century; D007802:Language; D008511:Medicine; D010820:Physicians; D010827:Physiology; D012426:Russia; D014586:USSR
keywords: BIOGRAPHIES; HISTORY; HISTORY OF MEDICINE, 17TH CENT.; PHYSIOLOGY; USSR