title: The anion gap.
mesh_terms: D000138:Acidosis / Q000175:diagnosis / Q000378:metabolism*; D001322:Autoanalysis; D006801:Humans; D007773:Lactates / Q000378:metabolism*; D008722:Methods; D014508:Urea / Q000032:analysis
chemical_list: D007773:Lactates; D014508:Urea