title: Pneumococcal vaccination in elderly and at-risk patients.
authors.forename: H H
authors.initials: HH
authors.lastname: Anderson
mesh_terms: 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
chemical_list: D001428:Bacterial Vaccines