title: [Analysis of periodic variations in the incidence of certain droplet infections].
mesh_terms: D004165:Diphtheria / Q000453:epidemiology*; D006801:Humans; D008433:Mathematics; D008457:Measles / Q000453:epidemiology*; D010507:Periodicity; D011379:Prognosis; D012425:Russia (Pre-1917); D012541:Scarlet Fever / Q000453:epidemiology*; D014586:USSR; D014917:Whooping Cough / Q000453:epidemiology*
vernacular_title: Analiz periodicheskikh kolebaniĭ zabolevaemosti nekotorymi kapel'nymi infektsiiami.