@misc{indiciae23821801c60c, title = {Giant appendicolith.}, author = {John P Keating and Sameer Memon}, year = {2005}, doi = {10.1016/s0016-5107(04)02547-7}, url = {https://pubmed.ncbi.nlm.nih.gov/15729247/}, note = {Source identifier: 15729247} }