@misc{indiciae997ebccab80b,
  title = {A technique for teaching operative laparoscopy.},
  author = {F D Loffer and D Pent},
  year = {1973},
  doi = {10.1016/0002-9378(73)90504-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4270415/},
  note = {Source identifier: 4270415}
}