@misc{indiciae7aedbc29d904,
  title = {Is theophylline obsolete?},
  author = {M T Newhouse},
  year = {1990},
  doi = {10.1378/chest.98.1.1},
  url = {https://pubmed.ncbi.nlm.nih.gov/2361373/},
  note = {Source identifier: 2361373}
}