Blood levels of  3 H-  9 -tetrahydrocannabinol and its metabolites in tolerant and nontolerant pigeons.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D002188:Cannabis / Q000097:blood*; D002854:Chromatography, Paper; D010856:Columbidae; D013759:Dronabinol / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism / Q000494:pharmacology; D004361:Drug Tolerance / Q000187:drug effects; D004912:Erythrocytes / Q000032:analysis; D008297:Male; D012055:Reinforcement Schedule; D013501:Surface-Active Agents / Q000494:pharmacology; D013997:Time Factors; D014316:Tritium
D013501:Surface-Active Agents; D014316:Tritium; D013759:Dronabinol