@misc{indiciaeb4d0a8e8877d,
  title = {Split tip bougie for sphincteroplasty.},
  author = {F Nakayama},
  year = {1979},
  doi = {10.1007/bf02469429},
  url = {https://pubmed.ncbi.nlm.nih.gov/470257/},
  note = {Source identifier: 470257}
}