Review of classification of the course variation of the suboccipital vertebral artery and its clinical application 
Lian Peirong, Chen Hu, Yi Honglei, Feng Zhibin, Tu Qing, Xia Hong
Chinese Journal of Clinical Anatomy . 2023, (6): 746 -750 .  DOI: 10.13418/j.issn.1001-165x.2023.6.21