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. 2019 Jul 29;9(7):e023981. doi: 10.1136/bmjopen-2018-023981

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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A color-coded graph comparing the quantitative contrast-enhanced ultrasound parameters between the groups with and without acute kidney injury. AS, ascending slope; AT, arrival time; AUC, area under the curve; BI, baseline intensity; DS, descending slope; DT/2, descending time/2; GOF, goodness of fit; PI, peak intensity; TTP, time-to-peak.