[S. N. VOLKONSKAIAOUTSTANDING ORGANIZER AND THEORETICIAN OF SANITARY INSTRUCTION].
D049673:History, 20th Century; D011634:Public Health; D012499:Sanitation; D012574:Schools; D012581:Schools, Public Health
BIOGRAPHIES; HISTORY; HISTORY OF MEDICINE, 20TH CENT.; SANITATION; SCHOOLS, PUBLIC HEALTH
S. N. VOLKONSKAIA--VYDAIUSHCHI ISIA ORGANIZATOR I TEORETIK SANITARNOGO PROSVESHCHENIIA. (K 75-LETIIU SO DNIA ROZHDENIIA)