@misc{indiciae77a8c3a57818,
  title = {Cannulation techniques for ERCP: one size does not fit all.},
  author = {Martin L Freeman},
  year = {2007},
  doi = {10.1016/j.gie.2006.07.038},
  url = {https://pubmed.ncbi.nlm.nih.gov/17185092/},
  note = {Source identifier: 17185092}
}