@misc{indiciae60deb473bc4b,
  title = {Ventilation - perfusion relationship during hip arthroplasty.},
  author = {G Hedenstierna and C Mebius and S Bygdeman},
  year = {1983},
  doi = {10.1111/j.1399-6576.1983.tb01905.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6837237/},
  note = {Source identifier: 6837237}
}