[N. A. SEMASHKO AND HEALTH EDUCATION].
D006266:Health Education; D049672:History, 19th Century; D049673:History, 20th Century; D008511:Medicine; D014586:USSR
BIOGRAPHIES; HEALTH EDUCATION; HISTORY; HISTORY OF MEDICINE, 20TH CENT.; USSR
N. A. SEMASHKO I SANITARNOE PROSVESHCHENIE.