[Contribution to the study of the relation between mega-esophagus and "Chagas' disease" (American trypanosomiasis)].
D014355:Chagas Disease / Q000150:complications*; D004194:Disease; D004935:Esophageal Diseases; D004947:Esophagus; D006801:Humans; D014481:United States
ESOPHAGUS/diseases; TRYPANOSOMIASIS, SOUTH AMERICAN/complications