Long-term use of marihuana and the development of tolerance or sensitivity to delta9 tetrahydrocannabinol.
D000367:Age Factors; D002188:Cannabis / Q000008:administration & dosage*; D013759:Dronabinol / Q000008:administration & dosage / Q000097:blood; D004342:Drug Hypersensitivity; D004361:Drug Tolerance; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D010465:Perception / Q000187:drug effects; D008517:Phytotherapy; D010953:Plasma Volume; D013997:Time Factors; D014316:Tritium
D014316:Tritium; D013759:Dronabinol