Study on the difference of heart rate variability in patients with different types of acute coronary syndrome
LIU Wei1， XING Xinjie2， ZHANG Chenfeng1， SONG Da3， ZHANG Ming4， HAN Gang5
Journal of Hebei Medical University . 2019, (5): 508 -511 .  DOI: 10.3969/j.issn.10073205.2019.05.004