Research Article
A Human Oral Fluid Assay for D- and L- Isomer Detection of Amphetamine and Methamphetamine Using Liquid-Liquid Extraction
Table 2
Matrix effects 10 different lots of oral fluid were fortified with QC material to a concentration of 7.5 ng/mL and the %CV determined of the analyte/IS area ratio.
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Indicates combined D- and L-. |