Taha T E, Canner J K, Dallabetta G A, Chiphangwi J D, Liomba G, Wangel A M, Saah A J, Miotti P G
Department of Epidemiology, Johns Hopkins School of Hygiene and Public Health, Baltimore, Maryland 21205.
Trans R Soc Trop Med Hyg. 1994 Mar-Apr;88(2):164-5. doi: 10.1016/0035-9203(94)90277-1.