Authors:
OKEKE CC
BARLETTA FP
GRAY VA
KRASOWSKI JA
PAUL WL
BELSON JJ
GRADY LT
Citation: Cc. Okeke et al., USP STANDARDS AND ACTIVITIES AFFECTING PHARMACY PRACTICE, American journal of health-system pharmacy, 54(14), 1997, pp. 1633-1638
Citation: Cc. Okeke et al., SIMULTANEOUS ANALYSIS OF COCAINE, BENZOYLECGONINE, METHYLECGONINE, AND ECGONINE IN PLASMA USING AN EXCHANGE RESIN AND GAS-CHROMATOGRAPHY - MASS-SPECTROMETRY, Chromatographia, 38(1-2), 1994, pp. 52-56