23. Which of the following therapies for patients with coronary artery disease has not been shown to reduce mortality?

A. Nitrates to relieve anginal chest pains

B. Antiplatelet therapy in patients with chronic stable angina

C. HMG CoA-reductase therapy in patients with chronic stable angina

D. Percutaneous coronary intervention in stable anginal patients

E. Both A and D are correct

F. All of the above reduce mortality

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