@misc{indiciae16636190e181,
  title = {Does theophylline really improve acute mountain sickness?},
  author = {R Fischer and S M Lang and R M Huber},
  year = {2001},
  doi = {10.1183/09031936.01.17510530},
  url = {https://pubmed.ncbi.nlm.nih.gov/11488310/},
  note = {Source identifier: 11488310}
}