Simultaneous GC-EI-MS Determination of  9-Tetrahydrocannabinol, 11-Hydroxy- 9-Tetrahydrocannabinol, and 11-nor-9-Carboxy- 9-Tetrahydrocannabinol in Human Urine Following Tandem Enzyme-Alkaline Hydrolysis

Abraham, T. T. ; Lowe, R. H. ; Pirnay, S. O. ; Darwin, W. D. ; Huestis, M. A.

Journal of analytical toxicology, 2007-10, Vol.31 (8), p.477-485 [Periódico revisado por pares]

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