1.Dehiscence of the floor of the hypotympanum with protrusion of the jugular bulb into the middle ear cavity is a rare otological finding.
颈静脉球经下鼓室底部骨层裂隙膨入中耳腔，是一种罕见的中耳腔血管异常。
2.Politzer Society - international society for otological surgery.
耳鼻喉外科方面的国际性团体。
3.Audiometers. Part 3 : auditory test signals of short duration for audiometric and neuro-otological purposes.
听力计.第3部分：声学和耳神经学用在礼堂的短短持续信号试验