The ammonia content of the mouth.
D000641:Ammonia; D064751:Ammonium Compounds; D005145:Face; D009055:Mouth; D000644:Quaternary Ammonium Compounds
D064751:Ammonium Compounds; D000644:Quaternary Ammonium Compounds; D000641:Ammonia
AMMONIA AND AMMONIUM COMPOUNDS; MOUTH