@misc{indiciaeeb538168d90a,
  title = {Standardization of different spirometers.},
  author = {B A Ali and Y M Abro and N H Javed and M S Islam},
  year = {1988},
  doi = {10.1159/000195397},
  url = {https://pubmed.ncbi.nlm.nih.gov/3387691/},
  note = {Source identifier: 3387691}
}