@misc{indiciaee94f75710901,
  title = {Gallstone formation.},
  author = {I A Bouchier},
  year = {1971},
  doi = {10.1016/s0140-6736(71)91985-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4101424/},
  note = {Source identifier: 4101424}
}