A comparison of the efficacy of No⁃touch ，EVH，and OVH techniques for obtaining coronary artery bypass grafts in OPCABG patients

DING Fuyan, MENG Shuping, LIU Chao, LIU Furong, ZHU Jialu, HU Yanlei.
The Journal of Practical Medicine . 2021, (21): 2770 -2774 .  DOI: 10.3969/j.issn.1006⁃5725.2021.21.013