Retention tests in the early phase of chronic renal failure. Comparison between non-protein nitrogen, urea, and creatinine.
D003404:Creatinine; D006801:Humans; D007674:Kidney Diseases / Q000502:physiology*; D007676:Kidney Failure, Chronic; D007677:Kidney Function Tests; D009584:Nitrogen; D014508:Urea
D014508:Urea; D003404:Creatinine; D009584:Nitrogen
KIDNEY DISEASES/physiology; KIDNEY FUNCTION TESTS