@misc{misc17b40544, title = {Cell mediated immune response in megacolon from patients with chronic Chagas`disease}, author = {Ribeiro Jr, Ulysses and Okumura, Masayuki and Habr Gama, Angelita and Gama Rodrigues, Joaquim José and Corbett, Carlos Eduardo Pereira}, year = {1999}, booktitle = {Annual Meeting of the American Gastroenterological Association and Digestive Disease Week} }