Authors:
LIU RH
EDWARDS C
BAUGH LD
WENG JL
FYFE MJ
WALIA AS
Citation: Rh. Liu et al., SELECTION OF AN APPROPRIATE INITIAL TEST CUTOFF CONCENTRATION FOR WORKPLACE DRUG URINALYSIS - CANNABIS EXAMPLE, Journal of analytical toxicology, 18(2), 1994, pp. 65-70
Authors:
LIU RH
MCKEEHAN AM
EDWARDS C
FOSTER G
BENSLEY WD
LANGNER JG
WALIA AS
Citation: Rh. Liu et al., IMPROVED GAS-CHROMATOGRAPHY MASS-SPECTROMETRY ANALYSIS OF BARBITURATES IN URINE USING CENTRIFUGE-BASED SOLID-PHASE EXTRACTION, METHYLATION,WITH D(5)-PENTOBARBITAL AS INTERNAL STANDARD, Journal of forensic sciences, 39(6), 1994, pp. 1504-1514
Authors:
FYFE MJ
CHAND P
MCCUTCHEN C
LONG JS
WALIA AS
EDWARDS C
LIU RH
Citation: Mj. Fyfe et al., PERFORMANCE-CHARACTERISTICS OF PHENCYCLIDINE ASSAY USING REPLY(TM) ANALYZER AND EMIT(R) DAU(TM), EMIT-700, AND 1 1 (EMIT DAU(TM)EMIT-700) REAGENTS/, Journal of analytical toxicology, 17(3), 1993, pp. 188-189