CONTROLLED FIELD TRIAL IN BRITISH GUIANA SCHOOL CHILDREN OF HEAT-KILLED-PHENOLIZED AND ACETONE-KILLED LYOPHILIZED TYPHOID VACCINES1

Abstract

Journal Article CONTROLLED FIELD TRIAL IN BRITISH GUIANA SCHOOL CHILDREN OF HEAT-KILLED-PHENOLIZED AND ACETONE-KILLED LYOPHILIZED TYPHOID VACCINES Get access M. T. ASHCROFT, M. T. ASHCROFT Search for other works by this author on: Oxford Academic PubMed Google Scholar J. MORRISON RITCHIE, J. MORRISON RITCHIE Search for other works by this author on: Oxford Academic PubMed Google Scholar C. C. NICHOLSON C. C. NICHOLSON Search for other works by this author on: Oxford Academic PubMed Google Scholar American Journal of Epidemiology, Volume 79, Issue 2, March 1964, Pages 196–206, https://doi.org/10.1093/oxfordjournals.aje.a120376 Published: 01 March 1964 Article history Received: 30 October 1963 Published: 01 March 1964