title: The World Health Organization's expanded programme on immunization: a global overview. Expanded Programme on Immunization, World Health Organization, Geneva.
mesh_terms: D003140:Communicable Disease Control; D003431:Cross-Cultural Comparison; D003906:Developing Countries; D006801:Humans; D007114:Immunization / Q000379:methods*; D007115:Immunization Schedule; D007223:Infant; D007231:Infant, Newborn; D014944:World Health Organization