The Effect of Vitamin D and FokI Vitamin D Receptor Polymorphism to 25 (OH) D, TNF-α and Nitric Oxide Levels in Diabetic Foot Patients Journal title: International Journal of Medicine and Pharmaceutical Sciences (IJMPS) Authors: Raflis ., Hendro Sudjono Yuwono, Yanwirasti ., Eva Decroli Subject(s):