Community-acquired pneumonia in the elderly.
Byrd
R P
RP
Roy
T M
TM
D000368:Aged; D017714:Community-Acquired Infections / Q000209:etiology*; D005334:Fever; D006801:Humans; D007970:Leukopenia; D011014:Pneumonia / Q000209:etiology*; D012307:Risk Factors