title: Etiology of community-acquired pneumonia in out-patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006192:Haemophilus Infections / Q000453:epidemiology; D006193:Haemophilus influenzae / Q000276:immunology / Q000302:isolation & purification; D006801:Humans; D008297:Male; D008875:Middle Aged; D009177:Mycoplasma pneumoniae / Q000276:immunology / Q000302:isolation & purification; D010045:Outpatients; D010361:Patients; D011014:Pneumonia / Q000209:etiology* / Q000382:microbiology; D011019:Pneumonia, Mycoplasma / Q000453:epidemiology*; D011018:Pneumonia, Pneumococcal / Q000453:epidemiology*; D013296:Streptococcus pneumoniae / Q000276:immunology / Q000302:isolation & purification