@misc{indiciae0c5948ab8735,
  title = {Slow-release theophylline: do not substitute.},
  author = {L Hendeles},
  year = {1989},
  doi = {10.1016/s0160-3450(15)31831-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/2711984/},
  note = {Source identifier: 2711984}
}