[Middle ear ventilation by blowing up a balloon with the nose].
Kaus
S
S
D002648:Child; D004867:Equipment Design; D006801:Humans; D008876:Middle Ear Ventilation / Q000295:instrumentation*; D010034:Otitis Media with Effusion / Q000503:physiopathology / Q000628:therapy*; D012123:Pulmonary Ventilation / Q000502:physiology*