title: Renal handling of sodium in old people: a functional study.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D007668:Kidney / Q000502:physiology*; D007686:Kidney Tubules, Distal / Q000502:physiology; D007687:Kidney Tubules, Proximal / Q000502:physiology; D008297:Male; D012964:Sodium / Q000378:metabolism*
chemical_list: D012964:Sodium