@misc{indiciaeff94725a476a,
  title = {Pulmonary function testing is needed hospital service.},
  author = {J K Freilich},
  year = {1967},
  doi = {10.1080/00185868.1967.9950051},
  url = {https://pubmed.ncbi.nlm.nih.gov/6045565/},
  note = {Source identifier: 6045565}
}