The relationship between change in renal activity and the ratio between radioactive and non-radioactive sodium and potassium in the urine.
D006801:Humans; D007668:Kidney / Q000502:physiology*; D011188:Potassium / Q000652:urine*; D012964:Sodium / Q000652:urine*; D012982:Sodium, Dietary
D012982:Sodium, Dietary; D012964:Sodium; D011188:Potassium
KIDNEYS/physiology; POTASSIUM/in urine; SODIUM/in urine