Conception and design: Little, Mendes, Dickman, Crawford, Sonntag. Acquisition of data: Mendes, Rodriguez-Martinez, Kalb. Analysis and interpretation of data: Little, Mendes, Preul. Drafting the article: Little, Mendes. Critically revising the article: Little, Preul. Reviewed submitted version of manuscript: Little, Mendes, Dickman, Crawford, Sonntag. Statistical analysis: Mendes. Administrative/technical/material support: Preul. Study supervision: Crawford.
Yamazaki MOkawa AFuruya TSakuma TTakahashi HKato K: Anomalous vertebral arteries in the extra- and intraosseous regions of the craniovertebral junction visualized by 3-dimensional computed tomographic angiography: analysis of 100 consecutive surgical cases and review of the literature. Spine (Phila Pa 1976) 37:E1389–E13972012