@misc{indiciae387ba28200fc,
  title = {Gas chromatography with surface ionization detection: a highly sensitive method for determining underivatized codeine and dihydrocodeine in body fluids.},
  author = {H Seno and H Hattori and S Kurono and T Yamada and T Kumazawa and A Ishii and O Suzuki},
  year = {1995},
  doi = {10.1016/0378-4347(95)00275-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/8611952/},
  note = {Source identifier: 8611952}
}