@misc{indiciae029a39b68068,
  title = {Gallstone disease.},
  author = {M J Harman},
  year = {1968},
  doi = {10.1136/bmj.1.5590.513},
  url = {https://pubmed.ncbi.nlm.nih.gov/5643730/},
  note = {Source identifier: 5643730}
}