title: Early proliferative changes in gastrointestinal neoplasia.
mesh_terms: D000818:Animals; D001706:Biopsy; D003110:Colonic Neoplasms / Q000235:genetics / Q000473:pathology*; D004261:DNA Replication; D004847:Epithelial Cells; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology*; D007417:Intestinal Polyps / Q000473:pathology*; D051379:Mice; D008954:Models, Biological; D011230:Precancerous Conditions / Q000473:pathology*; D051381:Rats; D011919:Rats, Inbred Strains