title: Pneumococcal vaccines WHO position paper--2012.
mesh_terms: D014943:Global Health; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration; D007115:Immunization Schedule; D011008:Pneumococcal Infections / Q000453:epidemiology / Q000276:immunology* / Q000517:prevention & control*; D022242:Pneumococcal Vaccines / Q000627:therapeutic use*; D011050:Policy Making; D013296:Streptococcus pneumoniae / Q000276:immunology; D014944:World Health Organization
chemical_list: D022242:Pneumococcal Vaccines