Assessing sodium and potassium intake in essential hypertension.
D003625:Data Collection; D004032:Diet; D006801:Humans; D006973:Hypertension / Q000652:urine; D008297:Male; D008875:Middle Aged; D011188:Potassium / Q000652:urine; D012964:Sodium / Q000652:urine
D012964:Sodium; D011188:Potassium