@misc{indiciae0f855425bde9, title = {Conservative approach to severe ulcerative colitis.}, author = {R N Fedorak}, year = {2004}, doi = {10.1016/j.dld.2003.10.002}, url = {https://pubmed.ncbi.nlm.nih.gov/14971809/}, note = {Source identifier: 14971809} }