@misc{indiciae2b51f04e6d44,
  title = {Pulmonary function tests before and after laparoscopic cholecystectomy.},
  author = {J A Freeman and I R Armstrong},
  year = {1994},
  doi = {10.1111/j.1365-2044.1994.tb14223.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8042720/},
  note = {Source identifier: 8042720}
}