@misc{indiciae217013e2b2fd,
  title = {Marked resistance during retrograde biliary stent placement: another O-ring problem.},
  author = {F H al-Kawas and A Axelrad and L Strack},
  year = {1996},
  doi = {10.1016/s0016-5107(96)70039-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/8934190/},
  note = {Source identifier: 8934190}
}