... 乳突胆脂瘤 cholesteatoma of mastoid 外耳胆脂瘤 cholesteatoma of external ear 中耳胆脂瘤 cholesteatoma of middle ear ...
双语例句
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MethodsThe level of PGE2 in 12 middle earcholesteatoma specimens(observed group) and 10 samples of normal externalear canal skin(control group) were examined by RIA method.