@misc{indiciae4b6ac629ec7d,
  title = {Interaction between tramadol and phenprocoumon.},
  author = {H Madsen and J M Rasmussen and K Brøsen},
  year = {1997},
  doi = {10.1016/s0140-6736(05)63325-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/9288050/},
  note = {Source identifier: 9288050}
}