@misc{indiciae587cf6ef203b,
  title = {Enterolith with pseudogallstone ileus and perforation.},
  author = {R G Watson and T D Williams},
  year = {1981},
  doi = {10.1007/bf02938207},
  url = {https://pubmed.ncbi.nlm.nih.gov/6785253/},
  note = {Source identifier: 6785253}
}