Small molecules in chronic renal failure.
D003404:Creatinine / Q000097:blood*; D006801:Humans; D007676:Kidney Failure, Chronic / Q000378:metabolism*; D008970:Molecular Weight; D006435:Renal Dialysis; D014508:Urea / Q000097:blood*
D014508:Urea; D003404:Creatinine