@misc{indiciae36dc15ece72e,
  title = {Percutaneous cholecystolithotomy.},
  author = {M J Kellett and R C Russell and J E Wickham},
  year = {1989},
  doi = {10.1055/s-2007-1012992},
  url = {https://pubmed.ncbi.nlm.nih.gov/2691238/},
  note = {Source identifier: 2691238}
}