@misc{indiciaef58d093884d9,
  title = {Threshold level for theophylline in doping analysis.},
  author = {F T Delbeke and P De Backer},
  year = {1996},
  doi = {10.1016/s0378-4347(96)00275-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/9001970/},
  note = {Source identifier: 9001970}
}