@misc{indiciae411452cefb2a,
  title = {Labetalol and urinary catecholamines.},
  author = {R Kolloch and L Miano and V De Quattro},
  year = {1979},
  doi = {10.1136/bmj.1.6158.268-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/421071/},
  note = {Source identifier: 421071}
}