@misc{indiciaedc21284214bb, title = {Colonoscopy for unexplained rectal bleeding.}, author = {E T Swarbrick and D I Fevre and R H Hunt and B M Thomas and C B Williams}, year = {1978}, doi = {10.1136/bmj.2.6153.1685}, url = {https://pubmed.ncbi.nlm.nih.gov/310702/}, note = {Source identifier: 310702} }