Symptoms include conductive deafness, plugging sensation in ear, recurrent infections.
传导性耳聋、耳内异物感，反复感染。
To study morphologic changes of ear ossicles and auditory ossicular chain of patients with conductive deafness.
明确传导性耳聋的听小骨及听骨链的形态学改变。
To study morphologic changes of ear ossicles and auditory ossicular chain of patients with conductive deafness.
明确传导性耳聋的听小骨及听骨链的形态学改变。
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