[NIKOLAI ALEKSANDROVICH SEMASHKO AND A NEW STAGE IN THE DEVELOPMENT OF PUBLIC HEALTH].
D049672:History, 19th Century; D049673:History, 20th Century; D011634:Public Health; D011635:Public Health Administration; D014586:USSR
BIOGRAPHIES; HISTORY; HISTORY OF MEDICINE, 20TH CENT.; PUBLIC HEALTH ADMINISTRATION; USSR
NIKOLA I ALEKSANDROVICH SEMASHKO I NOVY I 'ETAP RAZVITIIA ZDRAVOOKHRANENIIA.