title: Pneumococcal vaccination in older adults.
authors.forename: Eelko
authors.initials: E
authors.lastname: Hak
authors.forename: Marc J M
authors.initials: MJ
authors.lastname: Bonten
authors.forename: Arno W
authors.initials: AW
authors.lastname: Hoes
mesh_terms: D015982:Bias; D015986:Confounding Factors, Epidemiologic; D006760:Hospitalization; D006801:Humans; D022242:Pneumococcal Vaccines; D011018:Pneumonia, Pneumococcal / Q000145:classification / Q000517:prevention & control*; D012306:Risk
chemical_list: D022242:Pneumococcal Vaccines