@misc{indiciae3fc8860f26cf,
  title = {Monitoring serum theophylline levels.},
  author = {L Hendeles and M Weinberger and G Johnson},
  doi = {10.2165/00003088-197803040-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/354636/},
  note = {Source identifier: 354636}
}