Higher expression of BP antigen was observed in popliteal fossa, antecubital fossa, upper back, lower back, medial side of thigh and lower abdomen. 窝、肘窝、上背、下背、股内侧和下腹部皮肤BP抗原表达率较高;
Higher expression of EBA antigen was observed in knee, popliteal fossa, dorsum of foot, antecubital fossa, elbow and lower abdomen. 膝、阳窝、足背、肘、肘窝和下腹部皮肤EBA抗原表达率较高。