Temporal Indication of Marijuana Use Can Be Estimated From Plasma and Urine Concentrations of Δ9-Tetrahydrocannabinol, 11-Hydroxy-Δ9-Tetrahydrocannabinol, and 11-Nor-Δ9-Tetrahydrocannabinol-9-Carboxylic Acid

Current technology establishes marijuana use based upon detection of the pharmacologically inactive cannabinoid metabolite (11-nor-Δ9-carboxy-tetrahydrocannabinol-9-carboxylic acid, THC-COOH) in urine. No accurate prediction of time of use is possible because THC-COOH has a half-life of 6 days. To d...

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Bibliographic Details

Published in:	Journal of analytical toxicology Vol. 25; no. 7; pp. 538 - 549
Main Authors:	Manno, Joseph E., Manno, Barbara R., Kemp, Philip M., Alford, Dempsey D., Abukhalaf, Imad K., McWilliams, Mary E., Hagaman, Frances N., Fitzgerald, Mary Jo
Format:	Journal Article
Language:	English
Published:	Oxford University Press 01-10-2001
Online Access:	Get full text
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