@misc{indiciae16151656c6c4,
  title = {Outpatient theophylline determinations.},
  author = {A R Knodel and H D Covelli and J F Beekman},
  year = {1984},
  url = {https://pubmed.ncbi.nlm.nih.gov/6730489/},
  note = {Source identifier: 6730489}
}