Claudio M, Michela M, Luca T. Comparison of GFR measurement with [99mTc]-DTPA and clinical methods based on creatinine measurement, in patients over 80 years old. J Clini Nephrol [Internet]. 2022 Sep. 28 [cited 2026 Feb. 3];6(3):086-90. Available from: https://www.clinnephrologyjournal.com/index.php/jcn/article/view/jcn-aid1096