Pertseva, N.O., and K.I. Moshenets. “Changes in Heart Rate Variability After Modification of Glucose Lowering Therapy in Type 2 Diabetic Patients”. INTERNATIONAL JOURNAL OF ENDOCRINOLOGY (Ukraine) 16, no. 1 (February 1, 2020): 25–31. Accessed November 30, 2021. http://iej.zaslavsky.com.ua/article/view/199124.