@misc{indiciae461d2e20778a,
  title = {Incremental threshold loading: a standard protocol and establishment of a reference range in naive normal subjects.},
  author = {P H Johnson and A J Cowley and W J Kinnear},
  year = {1997},
  doi = {10.1183/09031936.97.10122868},
  url = {https://pubmed.ncbi.nlm.nih.gov/9493675/},
  note = {Source identifier: 9493675}
}