@misc{indiciae60c442432cca,
  title = {Gallbladder function after endoscopic sphincterotomy--a dynamic ultrasound assessment.},
  author = {I M Lang and D F Martin},
  year = {1993},
  doi = {10.1259/0007-1285-66-787-585},
  url = {https://pubmed.ncbi.nlm.nih.gov/8374721/},
  note = {Source identifier: 8374721}
}