[D. K. Zabolotnyĭ on the sanitary and hygienic aspects of cholera].
D002771:Cholera / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D012425:Russia (Pre-1917)
D. K. Zabolotnyĭ o sanitarnykh i gigienicheskikh aspektakh kholery.