Sodium and potassium in salt-water fish.
D005399:Fishes; D006801:Humans; D011188:Potassium / Q000737:chemistry*; D012964:Sodium / Q000737:chemistry*; D012982:Sodium, Dietary
D012982:Sodium, Dietary; D012964:Sodium; D011188:Potassium
FISH; POTASSIUM/chemistry; SODIUM/chemistry