Confirmation of the presence of 11-hydroxy-   9-tetrahydrocannabinol in the urine of marijuana smokers.
D000328:Adult; D002188:Cannabis / Q000378:metabolism / Q000652:urine*; D002855:Chromatography, Thin Layer; D013759:Dronabinol / Q000652:urine; D006801:Humans; D006868:Hydrolysis; D008297:Male; D013058:Mass Spectrometry; D000432:Methanol / Q000652:urine; D019966:Substance-Related Disorders
D013759:Dronabinol; D000432:Methanol