Clinical prognosis of optimal medical therapy after percutaneous coronary intervention in patients with coronary heart disease. Issue 16 (20th August 2021) - Hao, Jing-Yan; Zhang, Jian; Jing, Rui; Liu, Jing-Jing; Di, Cheng-Ye; Lu, Yu-Jie; Gao, Peng; Wang, Ya-Jie; Yang, Rui-Fei; Lin, Wen-Hua