@misc{indiciae17d86a2a170c,
  title = {Random error with the FEV1 = case for absolute values.},
  author = {J R Vale and A Gulsvik and J Kongerud},
  year = {1981},
  doi = {10.1016/s0140-6736(81)90569-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/6114360/},
  note = {Source identifier: 6114360}
}