[STUDIES OF THE ESOPHAGEAL TRANSIT TIME IN PATIENTS WITH CHAGAS' DISEASE IN VENEZUELA].
D014355:Chagas Disease; D004947:Esophagus; D005767:Gastrointestinal Diseases; D006801:Humans; D014481:United States; D014687:Venezuela
ESOPHAGUS; GASTROINTESTINAL DISEASES; TRYPANOSOMIASIS, SOUTH AMERICAN
ESTUDIOS SOBRE EL TIEMPO DE TR'ANSITO ESOF'AGICO EN PORTADORES DE ENFERMEDAD DE CHAGAS EN VENEZUELA.