Age and sex differences of sodium and potassium concentration in red blood cells.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004912:Erythrocytes / Q000378:metabolism*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011188:Potassium / Q000097:blood*; D012737:Sex Factors; D012964:Sodium / Q000097:blood*
D012964:Sodium; D011188:Potassium