@misc{indiciae13c55508e3b7, title = {What does sigmoidoscopy really miss?}, author = {Theodore R Levin}, year = {2003}, doi = {10.1111/j.1572-0241.2003.07734.x}, url = {https://pubmed.ncbi.nlm.nih.gov/14572589/}, note = {Source identifier: 14572589} }