title: [Pneumococcal vaccines. One solution to several problems?].
authors.forename: J
authors.initials: J
authors.lastname: Ruiz Contreras
authors.forename: F
authors.initials: F
authors.lastname: García Martín
mesh_terms: D002648:Child; D006801:Humans; D022242:Pneumococcal Vaccines; D011018:Pneumonia, Pneumococcal / Q000517:prevention & control*
chemical_list: D022242:Pneumococcal Vaccines