@misc{indiciaee61969359cb7,
  title = {Pulmonary function laboratory personnel qualifications.},
  author = {R M Gardner and J L Clausen and G Epler and J L Hankinson and S Permutt and A L Plummer},
  year = {1986},
  doi = {10.1164/arrd.1986.134.3.623},
  url = {https://pubmed.ncbi.nlm.nih.gov/3752718/},
  note = {Source identifier: 3752718}
}