[Apropos of the role of viral and rickettsial agents in the etiology of acute pneumonia].
D000328:Adult; D006801:Humans; D008875:Middle Aged; D011022:Pneumonia, Rickettsial / Q000209:etiology*; D011024:Pneumonia, Viral / Q000209:etiology*; D009956:Psittacosis / Q000150:complications*; D011778:Q Fever / Q000150:complications*
K voprosu o roli virusnykh i rikketsial'nykh i rikketsial'nykh agentov v étiologii ostrykh pnevmoniĭ.