Chagas disease, triatomine bugs, and bloodloss.
D000328:Adult; D000740:Anemia / Q000209:etiology*; D014355:Chagas Disease / Q000469:parasitology*; D002648:Child; D006801:Humans; D007299:Insect Bites and Stings / Q000150:complications*; D014225:Triatominae / Q000502:physiology*