Vázquez-Roa SL, Sosa-de Sforza L, Vázquez-Roa A. Chronic renal failure by MDRD-4 formula: Prevalence and associated risk factors in Villarrica, Paraguay. Mem. Inst. Investig. Cienc. Salud [Internet]. 2023 Mar. 16 [cited 2024 May 20];21(1). Available from: https://revistascientificas.una.py/index.php/RIIC/article/view/3102