@misc{indiciaee55c1a1049e8,
  title = {A simplified method for measuring helium closing volume.},
  author = {K McClelland and C Mittman},
  year = {1975},
  doi = {10.1378/chest.67.1.110},
  url = {https://pubmed.ncbi.nlm.nih.gov/1235313/},
  note = {Source identifier: 1235313}
}