%0 Journal Article %T Confirmation and Quantitation of Cocaine, Benzoylecgonine, Ecgonine Methyl Ester in Human Urine by GC/MS %A Mulé,, S.J. %A Casella,, G.A. %J Journal of Analytical Toxicology %V 12 %N 3 %P 153-155 %@ 0146-4760 %D 1988-05-01 %I Oxford University Press %~ DeepDyve