[Epidemiological characteristics of acute intestinal infections in the northwestern region of the RSFSR].
D000208:Acute Disease; D001424:Bacterial Infections / Q000453:epidemiology*; D004196:Disease Outbreaks / Q000453:epidemiology; D006801:Humans; D007410:Intestinal Diseases / Q000453:epidemiology*; D012424:Rural Population; D012426:Russia; D014505:Urban Population
K épidemiologicheskoĭ kharakteristike ostrykh kishechnykh infektsiĭ na territorii severo-zapadnogo regiona RSFSR.