The anion gap.
D000137:Acid-Base Imbalance / Q000175:diagnosis*; D000138:Acidosis / Q000378:metabolism*; D000368:Aged; D002648:Child; D002712:Chlorides / Q000097:blood*; D005260:Female; D006801:Humans; D007773:Lactates / Q000097:blood; D010265:Paraproteinemias / Q000175:diagnosis
D002712:Chlorides; D007773:Lactates