Lunyera J, Mohottige D, Von Isenburg M, Jeuland M, Patel UD, Stanifer JW. CKD of Uncertain Etiology: A Systematic Review. Clinical journal of the American Society of Nephrology : CJASN. 2016 Mar 7;11(11). 379-85. PMID: 26712810 [PubMed] PMCID: PMC4791820 Epidemics of CKD of uncertain etiology (CKDu) are emerging around the world. Highlighting common risk factors for CKD of uncertain etiology across various regions and populations may be important for health policy and public health responses.