@misc{indiciaea106ec8a61da,
  title = {Space and the sputum inducer.},
  author = {E McCabe and G D Onstad and J A Sbarbaro},
  year = {1969},
  doi = {10.1164/arrd.1969.99.5.799},
  url = {https://pubmed.ncbi.nlm.nih.gov/4977180/},
  note = {Source identifier: 4977180}
}