TY - RPRT TI - One step and highly sensitive headspace solid-phase microextraction sample preparation approach for the analysis of methamphetamine and amphetamine in human urine. AU - Min-Kun Huang AU - Chiareiy Liu AU - Shang-Da Huang PY - 2002 DO - 10.1039/b203898f UR - https://pubmed.ncbi.nlm.nih.gov/12375844/ ID - 12375844 ER -