%0 Journal Article %K Africa %K Asia %K Helminthiasis %K History, 20th Century %K Insecticides %K leprosy %K Malaria %K Tropical Medicine %B The British journal of clinical practice %D 1971 %G eng %N 12 %P 529-35 %T Achievements in tropical medicine during the past twenty-five years. %V 25 %1 http://www.ncbi.nlm.nih.gov/pubmed/4947163?dopt=Abstract %8 1971 Dec