@misc{indiciaef83990f459a4,
  title = {"The cholecystogram is normal"...but...},
  author = {G Qvist},
  year = {1977},
  doi = {10.1136/bmj.1.6072.1356},
  url = {https://pubmed.ncbi.nlm.nih.gov/861638/},
  note = {Source identifier: 861638}
}