[Chagasian frequency in 150 cardiomegalic patients].
D006332:Cardiomegaly / Q000209:etiology*; D014355:Chagas Disease / Q000150:complications*; D006801:Humans; D014352:Trypanosomiasis; D014481:United States
HEART ENLARGEMENT/etiology; TRYPANOSOMIASIS, SOUTH AMERICAN/complications