Comparison of coronary artery lesions in the youth and elderly patients  with suspected coronary artery disease
Zhang Qi, Li Hua, Yang Ying, Song Wanqing, Wei Jitao, Li Jingde
Clinical Focus . 2020, (4): 326 -329 .  DOI: 10.3969/j.issn.1004-583X.2020.04.008