方法采用放射免疫法检测12份胆脂瘤上皮组织匀浆液（观察组）及10份正常外耳道皮肤组织匀浆液（对照组）中PGE2水平。

MethodsThe level of PGE2 in 12 middle ear cholesteatoma specimens(observed group) and 10 samples of normal external ear canal skin(control group) were examined by RIA method.

youdao

方法采用放射免疫法检测12份胆脂瘤上皮组织匀浆液（观察组）及10份正常外耳道皮肤组织匀浆液（对照组）中PGE2水平。

MethodsThe level of PGE2 in 12 middle ear cholesteatoma specimens(observed group) and 10 samples of normal external ear canal skin(control group) were examined by RIA method.

youdao