@misc{indiciae209fd9102cc2,
  title = {Phenylpropanolamine increases plasma caffeine levels.},
  author = {C R Lake and D B Rosenberg and S Gallant and G Zaloga and B Chernow},
  year = {1990},
  doi = {10.1038/clpt.1990.93},
  url = {https://pubmed.ncbi.nlm.nih.gov/2357862/},
  note = {Source identifier: 2357862}
}