@misc{indiciaee0394fb89d16,
  title = {Plasma theophylline concentrations.},
  author = {P D Davies and A G Fennerty and I A Campbell},
  year = {1985},
  doi = {10.1136/bmj.290.6470.790-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/3918760/},
  note = {Source identifier: 3918760}
}