@misc{indiciaefd516f38efba,
  title = {Overnight salivary caffeine clearance: a liver function test suitable for routine use.},
  author = {G Jost and A Wahlländer and U von Mandach and R Preisig},
  doi = {10.1002/hep.1840070221},
  url = {https://pubmed.ncbi.nlm.nih.gov/3557314/},
  note = {Source identifier: 3557314}
}