1. The Expanded Programme on Immunization: global overview;Keja,1984
2. The child survival and development revolution: the dialectics of survival and development;Vittachi;Assignment Children,1985
3. Universal child immunization by 1990;Grant;Assignment Children,1985
4. Indications and contraindications for vaccines used in the Expanded Programme on Immunization;Galazka;Bull WHO,1984
5. The hospital as a vector of measles in the community;Reynolds;S Afr Med J,1987