Some observations on eustachian tube inflation.
D002404:Catheterization; D005064:Eustachian Tube / Q000502:physiology / Q000503:physiopathology; D049670:History, 17th Century; D049671:History, 18th Century; D006801:Humans; D008297:Male; D008875:Middle Aged; D010036:Otolaryngology / Q000266:history; D014636:Valsalva Maneuver