title: Marihuana metabolites in urine of man. IX. Identification of delta9-tetrahydrocannabinol-11-oic acid by thin-layer chromatography.
mesh_terms: D002855:Chromatography, Thin Layer / Q000379:methods; D013759:Dronabinol / Q000031:analogs & derivatives* / Q000652:urine; D005782:Gels; D006801:Humans; D012822:Silicon Dioxide
chemical_list: D005782:Gels; D012822:Silicon Dioxide; D013759:Dronabinol