Comparison of Ticagrelor and Clopidogrel for Patients Undergoing Emergency Percutaneous Coronary Intervention - YANG, Bin; ZHENG, Chunyan; YU, Haichu; ZHANG, Rui; LI, Shan; TAN, Lijuan; LENG, Min; CAI, Shanglang (Iranian Journal of Public Health, 2018)