@misc{misc2ea53099,
title   = {Achalasia of the oesophagus: a retrospective study of the association with cancer of the oesophagus and other histopathological findings},
author = {Garcia, Sérgio Britto and Rodrigues, A. C. G. and Paiva, A. C. and Paschoal, R. M. and Haikel Júnior, L. F. and Dalio, M. B. and Zucoloto, Sérgio},
year = {1999},
booktitle   = {Annual Meeting of the American Gastroenterological Association and Digestive Disease Week}
}