Which of the following drug is considered to be the most effective drug in relieving and preventing ischemic episodes in patients with variant angina?
A、Propranolol;
B、Nitroglycerin;
C、Sodiumnitroprusside;
D、Nifedipine;
E、Isosorbidedinitrate
发布时间：2025-08-05 05:57:52
