Study of Cystatin C and Renal Resistive Index in Type 2 Diabetes Mellitus Patients to Detect Early Diabetic Kidney Disease. - Mahashabde, Madhulika L.; Chauhan, Rishikesh Sunilsingh; Paidi, Sai Krishna Reddy; Sriram, P. Jugal (Annals of African Medicine, 2026)