@misc{indiciae25d7902d1653,
  title = {Confirmation of amphetamine, methamphetamine, MDA and MDMA in urine samples using disk solid-phase extraction and gas chromatography-mass spectrometry after immunoassay screening.},
  author = {Zengping Huang and Shaoyu Zhang},
  year = {2003},
  doi = {10.1016/s1570-0232(03)00269-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/12860031/},
  note = {Source identifier: 12860031}
}