RT Journal Article SR Electronic T1 Biomarkers of acute kidney injury: mixed results and huge heterogeneity of reporting JF BMJ Evidence-Based Medicine JO BMJ EBM FD BMJ Publishing Group Ltd SP e9 OP e9 DO 10.1136/bmjebm-2018-111152 VO 24 IS 5 A1 Etienne Gayat YR 2019 UL http://ebm.bmj.com/content/24/5/e9.abstract AB