Anatomy and imageology of the vertebral artery foramen and its adjacency of the lower cervical vertebrae
LIAO Xu-Yu,  Yang-Qiang-Guo,  Hua-Xin-Yi,  Zhang-Yin-Shun,  Han-Chun,  Xie-Yang-Lin
Chinese Journal Of Clinical Anatomy . 2009, (6): 647 .