1. Reduction of neonatal tetanus by mass immunization of non-pregnant women: duration of protection provided by one or two doses of aluminium-adsorbed tetanus toxoid;Black;Bulletin of the World Health Organization,1980
2. The use of toxoid for the prevention of tetanus neonatorum: preliminary report of a double-blind controlled field trial;Newell;Bulletin of the World Health Organization,1964
3. The use of toxoid for the prevention of tetanus neonatorum. Final report of a double-blind controlled field trial;Newell;Bulletin of the World Health Organization,1966
4. Epidemiology of neonatal tetanus in the Rivers State of Nigeria: a community based study;Abuwa;Journal of Epidemiology and Community Health.,1997
5. Tetanus antibodies measured by the toxin binding inhibition test (ToBI) in mothers and children in the Neonatal Tetanus Program in Vietnam;Anh;Developments in Biological Standardization,1999