@misc{indiciaec71c2d04399a,
  title = {The gallbladder and gallstone formation.},
  author = {F T Caldwell and K Levitsky},
  year = {1967},
  doi = {10.1097/00000658-196711000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/6057083/},
  note = {Source identifier: 6057083}
}