regional spinal cord blood flow was measured in 12 halothane-anesthetized mongrel dogs by means of 15 +/- 3 u radiolabeled microspheres under ( 1 ) control conditions , ( 2 ) 60-torr mean arterial blood pressure ( map ) using sodium nitroprusside ( nps ) , ( 3 ) 50-torr map using nps , and ( 4 ) after reestablishment of normotension .
C0037533
sodium
C0028193
nps