Active reflex vasodilatation in man.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001285:Atropine / Q000494:pharmacology*; D001783:Blood Flow Velocity; D001794:Blood Pressure / Q000187:drug effects*; D003080:Cold Temperature; D005260:Female; D006145:Guanethidine / Q000494:pharmacology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010646:Phentolamine / Q000494:pharmacology*; D014636:Valsalva Maneuver
D001285:Atropine; D010646:Phentolamine; D006145:Guanethidine