Why plasma electrolytes?
D001774:Blood Chemical Analysis / Q000191:economics; D003404:Creatinine / Q000097:blood*; D004739:England; D005919:Glomerular Filtration Rate; D006296:Health Services; D006300:Health Services Misuse; D006801:Humans; D009994:Osmolar Concentration; D011188:Potassium / Q000097:blood*; D012964:Sodium / Q000097:blood*; D014508:Urea / Q000097:blood*
D014508:Urea; D012964:Sodium; D003404:Creatinine; D011188:Potassium