Low serum sodium.
D001769:Blood; D004039:Diet, Sodium-Restricted; D006801:Humans; D007010:Hyponatremia; D044967:Serum; D012964:Sodium / Q000097:blood*; D012982:Sodium, Dietary
D012982:Sodium, Dietary; D012964:Sodium
BLOOD; SODIUM/in blood