@misc{indiciae5841a1b80c2d,
  title = {Gallstones: an update.},
  author = {L J Schoenfield and M C Carey and J W Marks and J L Thistle},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2672795/},
  note = {Source identifier: 2672795}
}