Predictive factors for the formation of a well-developed coronary collateral circulation in patients with unstable angina pectoris
Liu Jinchun, Zheng Xiuhua, Li Ning, Zhang Ruixia, Zhang Haizhu
Journal of Capital Medical University . 2021, (4): 642 -646 .  DOI: 10.3969/j.issn.1006-7795.2021.04.021