Old and new tests of renal function.
D000328:Adult; D000368:Aged; D002648:Child; D003404:Creatinine / Q000097:blood / Q000652:urine; D005919:Glomerular Filtration Rate; D006801:Humans; D007223:Infant; D007674:Kidney Diseases / Q000175:diagnosis; D007677:Kidney Function Tests; D007684:Kidney Tubules / Q000502:physiology; D008657:Metabolic Clearance Rate; D014508:Urea / Q000097:blood
D014508:Urea; D003404:Creatinine