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Lal, H., Yadav, P., Chellappan, A. et al. Perirenal fluid collection in renal parenchymal disease: the kidney sweat sign. Abdom Radiol 42, 1809–1810 (2017). https://doi.org/10.1007/s00261-017-1044-4
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DOI: https://doi.org/10.1007/s00261-017-1044-4