Occult Dysplasia is Disclosed by Lugol Chromoendoscopy in Alcoholics at High Risk for Squamous Cell Carcinoma of the Esophagus - Fagundes, R. B.; de Barros, S. G. S.; Pütten, A. C. K.; Mello, E. S.; Wagner, M.; Bassi, L. A. P.; Bombassaro, M. A.; Gobbi, D.; Souto, E. B. (Endoscopy, 1999)