@misc{indiciae1f068bba5b01,
  title = {Endoscopic surgery in the rectum.},
  author = {G Buess and R Theiss and M Günther and F Hutterer and H Pichlmaier},
  year = {1985},
  doi = {10.1055/s-2007-1018451},
  url = {https://pubmed.ncbi.nlm.nih.gov/3971938/},
  note = {Source identifier: 3971938}
}