Editorial: Immunisation in the two-thirds world.
D002675:Child, Preschool; D003906:Developing Countries; D005869:Ghana; D006801:Humans; D007114:Immunization; D007115:Immunization Schedule; D007194:India; D007223:Infant; D007231:Infant, Newborn; D014612:Vaccines
D014612:Vaccines