@misc{misce991c25a, title = {Achalasia: lugol dye endoscopy for early diagnosis of esophageal cancer}, author = {Yamamuro, Elisa Miki and Cecconello, Ivan and Iriya, Kiyoshi and Tomishige, Toshiro and Ibrahim, Roberto El and Pinotti, Henrique Walter}, year = {1998}, booktitle = {World Congress of Esophagus} }