title: Epithelial cell renewal in cultured rectal biopsies in ulcerative colitis.
mesh_terms: D000328:Adult; D000368:Aged; D001345:Autoradiography; D003093:Colitis, Ulcerative / Q000473:pathology*; D046508:Culture Techniques; D004847:Epithelial Cells; D005260:Female; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology*; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D012007:Rectum / Q000473:pathology*; D013936:Thymidine; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine