@misc{indiciae117db96c498e,
  title = {Is there interaction between tramadol and phenprocoumon?},
  author = {J K Boeijinga and E van Meegen and R van den Ende and C E Schook and A F Cohen},
  year = {1997},
  doi = {10.1016/s0140-6736(05)63986-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/9388428/},
  note = {Source identifier: 9388428}
}