@misc{indiciae51307597b143, title = {Gallstones with ulcerative proctitis.}, author = {A L Baker and M M Kaplan and R A Norton and J F Patterson}, year = {1974}, doi = {10.7326/0003-4819-80-4-552}, url = {https://pubmed.ncbi.nlm.nih.gov/4621084/}, note = {Source identifier: 4621084} }