{{Cite journal| doi = 10.1016/j.clnesp.2025.03.042| issn = 2405-4577 (Electronic) 2405-4577 (Linking)| volume = 67| pages = 242–249| last1 = Diethelm| first1 = J.| last2 = Wunderle| first2 = C.| last3 = van Zanten| first3 = A. R. H.| last4 = Tribolet| first4 = P.| last5 = Stanga| first5 = Z.| last6 = Mueller| first6 = B.| last7 = Schuetz| first7 = P.| title = Urea-to-creatinine ratio as a biomarker for clinical outcome and response to nutritional support in non-critically ill patients: A secondary analysis of a randomized controlled trial| journal = Clin Nutr ESPEN| date = 2025-03-24| pmid = 40122337}}