7Pizzulli L,Hagendorff A,Zirbes M,et al.Influencd of captoprinl on nirtoglycerin-mediated vasodilation and development of nitrate tolerance in arterial and venous circulation. American Heart Journal . 1996
8Mehra A,Ostrzega E,Shotan A,et al.Persistent hymodynamie improvement with short torm nitrate therapy with chronic congestive heart failure already treatod with capopril. The American Journal of Cardiology . 1992