EUSTACHIAN TUBE FUNCTION.
D003679:Deglutition; D005064:Eustachian Tube; D006801:Humans; D010827:Physiology; D012119:Respiration; D014636:Valsalva Maneuver
DEGLUTITION; EUSTACHIAN TUBE; PHYSIOLOGY; RESPIRATION; VALSALVA'S MANEUVER