@misc{indiciae504bca62537b,
  title = {Insertion of manometry tubes.},
  author = {J Ratan and P Rozen},
  year = {1979},
  doi = {10.1016/s0016-5107(79)73372-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/488658/},
  note = {Source identifier: 488658}
}