Expanded Programme on Immunization (EPI). The Social Science and Immunization Research Project.
D002648:Child; D002669:Child Welfare; D002675:Child, Preschool; D003718:Denmark; D014943:Global Health; D006302:Health Services Research / Q000458:organization & administration*; D006801:Humans; D009426:Netherlands; D012109:Research Support as Topic; D012942:Social Sciences; D014611:Vaccination / Q000706:statistics & numerical data*; D014944:World Health Organization