Primary hyponatraemia of infancy?
D005243:Feces / Q000032:analysis; D006801:Humans; D007010:Hyponatremia / Q000378:metabolism*; D007223:Infant; D008297:Male; D011188:Potassium / Q000032:analysis / Q000097:blood; D012964:Sodium / Q000032:analysis / Q000097:blood
D012964:Sodium; D011188:Potassium