@misc{indiciae6959f7aa189f,
  title = {Dependence on tramadol.},
  author = {H Ehrenreich and W Poser},
  year = {1993},
  doi = {10.1007/bf00231123},
  url = {https://pubmed.ncbi.nlm.nih.gov/8136623/},
  note = {Source identifier: 8136623}
}