@misc{indiciaed5e1ba21db33,
  title = {Spirometry in clinical practice.},
  author = {D Vijayasekaran and L Subramanyam and A Balachandran and So Shivbalan},
  year = {2003},
  url = {https://pubmed.ncbi.nlm.nih.gov/12881618/},
  note = {Source identifier: 12881618}
}