Zhang, Xiaoyan, Lizhen Qi, and Yongxuan Liu. 2019. “Aspirin in Combination With Clopidogrel in the Treatment of Acute Myocardial Infarction Patients Undergoing Percutaneous Coronary Intervention: Aspirin in Combination With Clopidogrel in the Treatment of AMI”. Pakistan Journal of Medical Sciences 35 (2). https://doi.org/10.12669/pjms.35.2.87.