3Chen C C, Chung C Y, Lee T H, et al. Increased risk of posterior circulation infarcts among ischemic stroke patients with cervical spondylosis [ J ]. Neuropsychiatric disease and treatment, 2015, 11: 273.
4Singh S, Kumar D, Kumar S. Risk factors in cervical spondylosis [ J]. Journal of Clinical Orthopaedics and Trauma, 2014, 5(4 ) : 221 ~ 226.