@misc{indiciae5c4b224b2d89, title = {Early pathologic changes in ulcerative colitis. Their relation to surgical complications.}, author = {W L Donnellan and J M Beal}, year = {1966}, doi = {10.1016/0002-9610(66)90349-7}, url = {https://pubmed.ncbi.nlm.nih.gov/5901369/}, note = {Source identifier: 5901369} }