[On the cyclic nature of the epidemiologic process of influenza in relation to the periodicity of solar activity].
D001256:Astronomy; D004196:Disease Outbreaks / Q000453:epidemiology*; D049691:History, Medieval; D049711:History, Modern 1601-; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000209:etiology / Q000266:history; D010507:Periodicity
O tsiklichnosti épidemicheskogo protsessa pri grippe v sviazi s periodichnost'iu solnechnoĭ deiatel'nosti.