TY  - RPRT
TI  - Confirmation of amphetamine, methamphetamine, MDA and MDMA in urine samples using disk solid-phase extraction and gas chromatography-mass spectrometry after immunoassay screening.
AU  - Zengping Huang
AU  - Shaoyu Zhang
PY  - 2003
DO  - 10.1016/s1570-0232(03)00269-1
UR  - https://pubmed.ncbi.nlm.nih.gov/12860031/
ID  - 12860031
ER  -