@misc{indiciae158914b7a61e,
  title = {Lacunary pooling in ERCP.},
  author = {C A Rohrmann and H J Ansel},
  doi = {10.1007/bf00199656},
  url = {https://pubmed.ncbi.nlm.nih.gov/7894310/},
  note = {Source identifier: 7894310}
}