方法：用2 0种不同的变应原进行皮肤点刺试验，生理盐水为阴性对照，组胺为阳性对照。

Methods: Skin test was performed by using 20 different allergens, normal saline was negative control, histamine was positive control.

youdao

方法：用2 0种不同的变应原进行皮肤点刺试验，生理盐水为阴性对照，组胺为阳性对照。

Methods: Skin test was performed by using 20 different allergens, normal saline was negative control, histamine was positive control.

youdao