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Henriksen، Ulrik L.؛ Henriksen، Jens H. (يناير 2015). "The clearance concept with special reference to determination of glomerular filtration rate in patients with fluid retention". Clinical Physiology and Functional Imaging. ج. 35 ع. 1: 7–16. DOI:10.1111/cpf.12149. PMID:24750696. S2CID:44756080.