title: Microfilaria perstans during a sleeping sickness survey.
mesh_terms: D003937:Diagnosis, Differential; D004154:Dipetalonema Infections / Q000175:diagnosis*; D004196:Disease Outbreaks; D005368:Filariasis / Q000175:diagnosis*; D006801:Humans; D014353:Trypanosomiasis, African / Q000175:diagnosis*