@misc{indiciae15520de7faec, title = {Colonoscopy, proctoscopy, and ileoscopy.}, author = {M D Willard}, year = {2001}, doi = {10.1016/s0195-5616(01)50064-9}, url = {https://pubmed.ncbi.nlm.nih.gov/11487949/}, note = {Source identifier: 11487949} }