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The authors declare that they have no competing interests.
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The study was approved by the local institutional review board (Ethikkommision Universität Regensburg, no 13-101-0147).
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Göcze, I., Renner, P., Graf, B.M. et al. Simplified approach for the assessment of kidney perfusion and acute kidney injury at the bedside using contrast-enhanced ultrasound. Intensive Care Med 41, 362–363 (2015). https://doi.org/10.1007/s00134-014-3554-7
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DOI: https://doi.org/10.1007/s00134-014-3554-7