
Highly sensitive capillary electrophoresis-mass spectrometry for rapid screening and accurate quantitation of drugs of abuse in urine
Keywords: AEME, anhydroecgonine methyl ester; AJS, Agilent Jet Stream; BE, benzoylecgonine; BGE, background electrolyte; CE, capillary electrophoresis; COC, cocaine; CS, calibration standard; D-PX, d-propoxyphene; EDDP, 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrroly