Repeat administration of marihuana smoke to humans.
D001794:Blood Pressure / Q000187:drug effects; D002188:Cannabis / Q000008:administration & dosage*; D004305:Dose-Response Relationship, Drug; D013759:Dronabinol / Q000008:administration & dosage; D004361:Drug Tolerance; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008297:Male; D008606:Mental Processes / Q000187:drug effects; D008517:Phytotherapy; D010919:Placebos; D011674:Pulse / Q000187:drug effects; D012906:Smoke; D012907:Smoking; D013997:Time Factors
D010919:Placebos; D012906:Smoke; D013759:Dronabinol