[Public hygiene problems at congresses of Russian naturalists and physicians].
D003226:Congresses as Topic / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history; D011634:Public Health / Q000266:history*; D012425:Russia (Pre-1917)
Voprosy obshchestvennoĭ gigieny na s"ezdakh russkikh estestvoispytateleĭ i vracheĭ.