Authors: Jing-Xiu Li Wang Jing Bei-Bei Ding Gao Min

Keywords: Heart rate variability ; coronary heart disease ; hypertension ; time-domain methods ; frequency-domain methods

Authors: Zixuan Zhang Jia Cheng Hongyang Shu Zhichao Xiao Weijian Hang Qingqing Zhao Ning Zhou Jinzhao Zhao

Keywords: coronary heart disease ; angina ; nicorandil ; calcium channel blockers ; major adverse cardiovascular events