TY - JOUR AU - Guindi, M; Riddell, R H TI - The pathology of epithelial pre-malignancy of the gastrointestinal tract JO - Best Pract Res Clin Gastroenterol VL - 15 PY - 2001 DO - 10.1053/bega.2001.0169 SP - 191 EP - 210 ER -