@misc{indiciae240f72368f86,
  title = {Labetalol and urinary catecholamines.},
  author = {D Harris and D A Richards},
  doi = {10.1136/bmj.2.6103.1673-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/589414/},
  note = {Source identifier: 589414}
}