[Role of viral infections in pneumococcal pneumonia].
D002675:Child, Preschool; D006801:Humans; D011008:Pneumococcal Infections / Q000150:complications*; D011014:Pneumonia / Q000150:complications*; D014777:Virus Diseases / Q000150:complications*
Rola zakazenia wirusowego w pneumokokowym zapaleniu płuc.