Simultaneous GC-El-MS determination of Δ9-tetrahydrocannabinol, 11-hydroxy-Δ9-tetrahydrocannabinol, and 11-nor-9-carboxy, Δ9-tetrahydrocannabinol in human urine following tandem enzyme-alkaline hydrolysis

JOURNAL OF ANALYTICAL TOXICOLOGY

OXFORD UNIV PRESS INC

1. Intramural NIH HHS [Z01 DA000413-10] Funding Source: Medline