1. 1. Jenis LG, An HS. Neck pain secondary to radiculopathy of the fourth cervical root: an analysis of 12 surgically treated patients. J Spinal Disord. 2000;13 (4):345-9.
2. 2. Ross DA, Ross MN. Diagnosis and Treatment of C4 Radiculopathy. Spine. 2016;41 (23):1790-4.
3. 3. Park MS, Kelly MP, Min W-K, et al. Surgical treatment of C3 and C4 cervical radiculopathies. Spine. 2013;38 (2):112-8.
4. 4. Nishizawa S, Yokoyama T, Yokota N, et al. High cervical disc lesions in elderly patients--presentation and surgical approach. Acta Neurochir (Wien). 1999;141 (2):119-26.
5. 5. Slipman CW, Plastaras CT, Palmitier RA, et al. Symptom provocation of fluoroscopically guided cervical nerve root stimulation. Are dynatomal maps identical to dermatomal maps? Spine. 1998;23 (20):2235-42.