Integrated p53 histopathologic/genetic analysis of premalignant lesions of the esophagus - Ribeiro, Adriana Vaz Safatle; Ribeiro Junior, Ulysses; Sakay, Paulo; Clarke, Martha R; Fylyk, Sonia N; Ishioka, Shinichi; Gama Rodrigues, Joaquim José; Finkelstein, Sidney D; Reynolds, James C (Cancer Detection and Prevention, 2000)