@misc{indiciaeb4bafa783641,
  title = {Peptic ulcers and gallbladder disease.},
  author = {R J Ross and W R Pudvan},
  year = {1970},
  doi = {10.1148/96.1.119},
  url = {https://pubmed.ncbi.nlm.nih.gov/5420394/},
  note = {Source identifier: 5420394}
}