1. Report of Special Advisory Committee on oral polio vaccine to the Surgeon General of the P.H.S. (1964);J. Am. San. Bureau, Washington,1959
2. Evaluation de l'efficacite immunologique et epidemiologique du vaccin antipoliomyelitique vivant apres 4 ans de l'application en Hongie;Katay,1964
3. Present position of immunization against poliomyelitis with live virus vaccines;Sabin;Brit. M. J. March,1959
4. Mass oral (Sabin) poliomyelitis vaccination. Virological and serological surveillance in Czechoslovakia 1958–59 and 1960–61;Zacek,1962
5. The work of WHO, 1963, Annual report of the director general to the WHO assembly and to the United Nations;Off. Rec. WHO Organ. No. 131,1963