Efremenko, A A [From the history of cholera epidemics (Kherson district, 1920-1922)]. [electronic resource] - Zhurnal mikrobiologii, epidemiologii i immunobiologii Mar 1974 - 151-4 p. digital Publication Type: Historical Article; Journal Article ISSN: 0372-9311 Subjects--Topical Terms: Cholera--historyHistory, 20th CenturyHumansUkraine