title: Best timing of pneumococcal revaccination in COPD.
authors.forename: Karla J
authors.initials: KJ
authors.lastname: Kaphengst
mesh_terms: D000367:Age Factors; D002487:Centers for Disease Control and Prevention, U.S.; D006801:Humans; D007115:Immunization Schedule; D007117:Immunization, Secondary / Q000592:standards*; D022242:Pneumococcal Vaccines / Q000627:therapeutic use*; D017410:Practice Guidelines as Topic / Q000592:standards; D029424:Pulmonary Disease, Chronic Obstructive / Q000517:prevention & control* / Q000628:therapy; D014481:United States
chemical_list: D022242:Pneumococcal Vaccines