@misc{indiciae0ee5d0991563,
  title = {Incentive spirometry: its value after cardiac surgery.},
  author = {G D Gale and D E Sanders},
  year = {1980},
  doi = {10.1007/bf03007047},
  url = {https://pubmed.ncbi.nlm.nih.gov/7004598/},
  note = {Source identifier: 7004598}
}