1. Korean Diabetes Association. Treatment guideline for diabetes. J Korean Diabetes. 2015;12:S109–12.
2. Kim SS, Won JC, Kwon HS, Kim CH, Lee JH, Park TS, et al. Prevalence and clinical implications of painful diabetic peripheral neuropathy in type 2 diabetes: results from a nationwide hospital-based study of diabetic neuropathy in Korea. Diabetes Res Clin Pract. 2014;103:522–9.
3. Won JC, Kwon HS, Kim CH, Lee JH, Park TS, Ko KS, et al. Prevalence and clinical characteristics of diabetic peripheral neuropathy in hospital patients with type 2 diabetes in Korea. Diabet Med. 2012;29:e290–6.
4. Chawla A, Bhasin G, Chawla R. Validation of neuropathy symptoms score (NSS) and neuropathy disability score (NDS) in the clinical diagnosis of peripheral neuropathy in middle aged people with diabetes. Int J Fam Pract. 2013;12(1):1–4.
5. Asad A, Hameed MA, Khan UA, Butt MU, Ahmed N, Nadeem A. Comparison of nerve conduction studies with diabetic neuropathy symptom score and diabetic neuropathy examination score in type-2 diabetics for detection of sensorimotor polyneuropathy. J Pak Med Assoc. 2009;59(9):594–8.