The epidemiology of sleeping sickness in the historical Luangwa valley.
D002648:Child; D004196:Disease Outbreaks / Q000453:epidemiology / Q000266:history; D005260:Female; D049673:History, 20th Century; D006801:Humans; D014353:Trypanosomiasis, African / Q000453:epidemiology* / Q000266:history; D015024:Zambia