@misc{indiciaee7eff451339f,
  title = {Variability in caffeine metabolism.},
  author = {D M Grant and B K Tang and W Kalow},
  year = {1983},
  doi = {10.1038/clpt.1983.80},
  url = {https://pubmed.ncbi.nlm.nih.gov/6687705/},
  note = {Source identifier: 6687705}
}