therefore , we studied the effect of n-acetylcysteine on nitrate responsiveness of epicardial arteries and of the venous system ( assessed as changes in effective vascular compliance ) in dogs ( n = 12 ) during long-term nitroglycerin treatment ( 1.5 micrograms/kg/min i.v . for 5-6 days ) .
C0028125
nitrate
C0017887
nitroglycerin