@misc{indiciaea9f9aa243c69,
  title = {[Codeine and dihydrocodeine as substitute and alternative drugs].},
  author = {D H Friessem and K L Täschner},
  year = {1991},
  doi = {10.1055/s-2007-1000690},
  url = {https://pubmed.ncbi.nlm.nih.gov/1869234/},
  note = {Source identifier: 1869234}
}