title: [Serum electrolytes].
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006333:Heart Failure / Q000097:blood; D006801:Humans; D007674:Kidney Diseases / Q000097:blood*; D008297:Male; D008875:Middle Aged; D009584:Nitrogen / Q000097:blood; D011188:Potassium / Q000097:blood*; D012964:Sodium / Q000097:blood*
chemical_list: D012964:Sodium; D009584:Nitrogen; D011188:Potassium