[Infections of mixed etiology--chance or ecological regularity?].
D003141:Communicable Diseases / Q000453:epidemiology* / Q000209:etiology; D004196:Disease Outbreaks / Q000453:epidemiology; D004463:Ecology; D006801:Humans; D010802:Phylogeny; D013269:Stochastic Processes
Infektsii smeshannoĭ étiologii--sluchaĭnost' ili ékologicheskaia zakonomernost'?