@misc{indiciaecf7cac2e67f2,
  title = {Choledocholithiasis and a double gallbladder.},
  author = {J A Janson and D Gulliver and P B Cotton},
  doi = {10.1016/s0016-5107(92)70438-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/1607094/},
  note = {Source identifier: 1607094}
}