@misc{indiciaecdaf59edc5f5,
  title = {Endoscopy for gallstone pancreatitis.},
  author = {J H Ranson},
  year = {1989},
  doi = {10.1016/0016-5085(89)90416-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/2583423/},
  note = {Source identifier: 2583423}
}