[Social hygienist Professor A.F. Nikitin].
D003140:Communicable Disease Control / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D011634:Public Health / Q000266:history*; D012426:Russia; D012425:Russia (Pre-1917)
Sotsial-gigienist professor A.F. Nikitin.