@misc{indiciaef3a8f94af5ef,
  title = {The overarching challenge.},
  author = {J E Heffner},
  year = {2000},
  doi = {10.1378/chest.118.2\_suppl.1s},
  url = {https://pubmed.ncbi.nlm.nih.gov/10939992/},
  note = {Source identifier: 10939992}
}