Pertseva, N., and K. Moshenets. “Changes in Heart Rate Variability After Modification of Glucose Lowering Therapy in Type 2 Diabetic Patients”. INTERNATIONAL JOURNAL OF ENDOCRINOLOGY (Ukraine), vol. 16, no. 1, Feb. 2020, pp. 25-31, doi:10.22141/2224-0721.16.1.2020.199124.