@misc{indiciae35f5a1df3a14,
  title = {Simple interventions--significant impact.},
  author = {Michael C Hartlieb and William J Sibbald},
  year = {2002},
  doi = {10.1164/ajrccm.165.4.2112073b},
  url = {https://pubmed.ncbi.nlm.nih.gov/11850331/},
  note = {Source identifier: 11850331}
}