title: [On the periodicity of the occurrence of epidemic hepatitis].
mesh_terms: D004405:Dysentery, Bacillary / Q000453:epidemiology; D006506:Hepatitis A / Q000453:epidemiology*; D006801:Humans; D010507:Periodicity; D012426:Russia; D012541:Scarlet Fever / Q000453:epidemiology
vernacular_title: O periodichnosti zabolevaemosti épidemicheskim gepatitom.