From the NIH: Sodium transport as diagnostic tool for secondary hypertension.
D001692:Biological Transport; D004910:Erythrocyte Membrane / Q000378:metabolism*; D004912:Erythrocytes / Q000378:metabolism*; D005260:Female; D006801:Humans; D006973:Hypertension / Q000175:diagnosis* / Q000378:metabolism; D008094:Lithium / Q000378:metabolism; D008297:Male; D009316:National Institutes of Health (U.S.); D012964:Sodium / Q000378:metabolism*; D014481:United States
D008094:Lithium; D012964:Sodium