in order to investigate the possible role of the renin-angiotensin system in the regulation of intrarenal hemodynamics in hemorrhagic hypotension ( hh ) , seven mongrel dogs have been studied under the following conditions : ( a ) control , ( b ) hh ( mean arterial pressure 70 mm hg ) , and ( c ) hh + alpha adrenergic blockade by phenoxybenzamine ( hh + pob ) .
C0031441
phenoxybenzamine
C0020649
hh