Mass transfer of urea through blood.
D001692:Biological Transport; D004058:Diffusion; D006801:Humans; D007688:Kidneys, Artificial; D008567:Membranes, Artificial; D008954:Models, Biological; D013997:Time Factors; D014508:Urea / Q000378:metabolism*; D014511:Uremia / Q000628:therapy
D008567:Membranes, Artificial; D014508:Urea