Hydrogen method for determining cerebral blood flow in man.
D000628:Aminophylline / Q000494:pharmacology; D002245:Carbon Dioxide / Q000494:pharmacology; D002560:Cerebrovascular Circulation; D002561:Cerebrovascular Disorders / Q000097:blood; D006801:Humans; D006859:Hydrogen; D009609:Nitrous Oxide; D012039:Regional Blood Flow / Q000187:drug effects
D002245:Carbon Dioxide; D000628:Aminophylline; D006859:Hydrogen; D009609:Nitrous Oxide