The value of echocardiography and FFR in diagnosing myocardial ischemia in coronary heart disease
ZHANG Jian-yue, WU Qiu-hua, ZHENG Yan, SHEN Yan-mei
Journal of Hebei Medical University . 2022, (10): 1188 -1191 .  DOI: 10.3969/j.issn.1007-3205.2022.10.015