CJCU
Analysis of Codeine in Urine and Opiate Sample by Solid-Phase Microextraction (SPME) and Gas Chromatography——Mass Spectrometry (GC/MS)
WANG Yi-Ru, WANG Xiao-Ru, Frank S. C. Lee, WANG-Bo
Chem. J. Chinese Universities . 1999, (S1): 277 -277 .