1. Haemagglutination-inhibition rubella antibody determination;Chagnon;Canadian Journal of Microbiology,1970
2. World aspects of the epidemiology rubella;Cockburn;American Journal of Diseases of Children,1969
3. National Congenital Rubella Surveillance Programme;Dudgeon;Health Trends,1973
4. Rubella antibody status in an Angola population;Escudeiro;American Journal of Tropical Medicine and Hygiene,1975
5. Sero-epidemiological studies of rubella infection among children in Lagos;Fadahunsi;Nigerian Journal of Paediatrics,1978