Introduction of vaccines into the Third World.
Widdus
R
R
Childrens' Vaccine Initiative Secretariat, Geneva, Switzerland.
D002648:Child; D003362:Cost-Benefit Analysis; D003906:Developing Countries; D006801:Humans; D017053:Infection Control; D007239:Infections / Q000401:mortality; D014480:United Nations; D014611:Vaccination; D014612:Vaccines / Q000191:economics; D014944:World Health Organization
D014612:Vaccines