TY  - JOUR
AU  - Brown, Jeanice
AU  - Sharpless, Katherine
AU  - Mitvalsky, S.
AU  - Roman, Mark
AU  - Yen, James
AU  - Satterfield, Mary
C2  - Journal of Aoac International
DA  - 2007-04-24
LA  - en
M1  - 90
PB  - Journal of Aoac International
PY  - 2007
TI  - Determination of Caffeine, and Caffeine-Related Metabolites in Ephedra-Containing Standard Reference Materials Using Liquid Chromatography With Absorbance Detection and Tandem Mass Spectrometry
ER  -