TY - RPRT TI - Dysplastic polyps in chronic colitis: is colectomy needed? AU - J M Klapproth AU - B D Greenwald PY - 2000 DO - 10.1097/00054725-200008000-00018 UR - https://pubmed.ncbi.nlm.nih.gov/10961601/ ID - 10961601 ER -