@misc{indiciae223947ed042c,
  title = {Dual camera studies of pulmonary function with computer processing of data.},
  author = {M K Loken and R A Ponto and R S Kronenberg and L E Williams and M E Goldberg},
  year = {1974},
  doi = {10.2214/ajr.121.4.761},
  url = {https://pubmed.ncbi.nlm.nih.gov/4432956/},
  note = {Source identifier: 4432956}
}