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Open AccessEfficacy and safety of Chinese herbal medicine Wen **n granules for the treatment of unstable angina pectoris with Yang deficiency and blood stasis syndrome: study protocol for a randomized controlled trial
Unstable angina pectoris (UAP) is the common type of coronary heart disease with the risk of develo** into acute myocardial infarction (AMI). Currently, there are still numerous patients suffering from recur...