Pneumococcal vaccination in elderly and at-risk patients.
Anderson
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HH
D000368:Aged; D001428:Bacterial Vaccines / Q000627:therapeutic use*; D002908:Chronic Disease; D017714:Community-Acquired Infections / Q000517:prevention & control; D006801:Humans; D011018:Pneumonia, Pneumococcal / Q000517:prevention & control*; D012306:Risk
D001428:Bacterial Vaccines