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Many scholar have different opinions about clinical relationship between negative pressure tympanogram and middle ear effusion.
目前，国内学者对负压型鼓室压图与鼓室积液的临床联系仍存有分歧。
Results:The diagnosis result was positive in398ears by hard ear endoscope, the diagnosis result was positive in400ears by tympanogram.
结果：硬质耳内窥镜诊断阳性398耳，声阻抗鼓室图诊断阳性400耳。
The doctors found that having higher tympanogram volumes could result in a nearly 90 percent success rate for patching the perforation.
医师们发现鼓室导抗图容积较高的患儿的耳膜穿孔修补成功率近90%。
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