@misc{indiciae69e40752b659,
  title = {Performance evaluation of contemporary spirometers.},
  author = {S B Nelson and R M Gardner and R O Crapo and R L Jensen},
  year = {1990},
  doi = {10.1378/chest.97.2.288},
  url = {https://pubmed.ncbi.nlm.nih.gov/2298052/},
  note = {Source identifier: 2298052}
}