Efficacy and safety of yangxinshi versus trimetazidine on exercise tolerance in patients with coronary heart disease after percutaneous coronary intervention: Multicenter, double-blind clinical trial
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Background: Optimizing medication to improve exercise tolerance in patients with coronary heart disease (CHD) after percutaneous coronary intervention (PCI) is limited. Yangxinshi tablets, an herbal-based oral medicine, relieve s... ...