title: [Investigation of Chagas' disease in Peru. Epidemiological study in the Tambo valley (Matalaque district. Department of Moquegua). I. Preliminary observations. 1958-1959].
mesh_terms: D014355:Chagas Disease / Q000453:epidemiology*; D004777:Environment; D016021:Epidemiologic Studies; D010568:Peru; D014352:Trypanosomiasis; D014481:United States
keywords: TRYPANOSOMIASIS, SOUTH AMERICAN/epidemiology