[Etiological structure of today's acute pneumonias].
D000208:Acute Disease; D006801:Humans; D008875:Middle Aged; D011014:Pneumonia / Q000175:diagnosis / Q000209:etiology* / Q000382:microbiology; D013183:Sputum / Q000382:microbiology
Etiologicheskaia struktura sovremennykh ostrykh pnevmoniĭ.