Atypical pneumonia in old age.
D000328:Adult; D000368:Aged; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D006801:Humans; D007239:Infections; D007710:Klebsiella Infections; D008875:Middle Aged; D009175:Mycoplasma Infections; D011008:Pneumococcal Infections; D011014:Pneumonia / Q000453:epidemiology / Q000209:etiology / Q000401:mortality / Q000517:prevention & control / Q000628:therapy; D011023:Pneumonia, Staphylococcal; D011024:Pneumonia, Viral; D013290:Streptococcal Infections; D014376:Tuberculosis
D000900:Anti-Bacterial Agents