Permeability of superficial proximal tubules and loops of henle to urea in rats.
D000818:Animals; D002247:Carbon Isotopes; D002463:Cell Membrane Permeability; D007684:Kidney Tubules / Q000378:metabolism*; D010477:Perfusion; D051381:Rats; D012975:Sodium Isotopes; D014316:Tritium; D014508:Urea / Q000378:metabolism*
D002247:Carbon Isotopes; D012975:Sodium Isotopes; D014316:Tritium; D014508:Urea