Kolesnyk, N. A., S. P. Fomina, and V. N. Nepomnyashchy. “THEORY AND PRACTICE OF EVIDENCE-BASED MEDICINE: NEPHROLOGY. TYPES OF STUDY AND EVIDENCE LEVELS”. Ukrainian Journal of Nephrology and Dialysis0, no. 1(45) (November 28, 2014): 54-64. Accessed June 26, 2026. https://ukrjnd.com.ua/index.php/journal/article/view/123.