The safety and efficacy of indobufen or aspirin combined with clopidogrel in patients with acute myocardial infarction after percutaneous coronary intervention oleh Wen-Bo Dai, Jia-Yi Ren, Su-Tao Hu, Yu-Kun Zhang, Tian-Shu Gu, Xue Wu, Jing-Kun Zhang, Jing-Jin Che, Xiang-Hong Ma, Tong Liu, Guang-Ping Li, Kang-Yin Chen