@misc{indiciae33f3366bb855,
  title = {Pulmonary function testing: custom programs for manual equipment.},
  author = {M F Petrini},
  year = {1984},
  doi = {10.1016/0010-4825(84)90020-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/6546910/},
  note = {Source identifier: 6546910}
}