Dietary intake and urinary excretion of potassium in the elderly.
D000367:Age Factors; D000368:Aged; D003404:Creatinine / Q000097:blood / Q000652:urine; D004032:Diet; D005260:Female; D006801:Humans; D006996:Hypocalcemia; D008297:Male; D011188:Potassium / Q000097:blood / Q000652:urine; D012737:Sex Factors; D014508:Urea / Q000097:blood
D014508:Urea; D003404:Creatinine; D011188:Potassium