“…69-6o Systemic re-administration of a sulfonamide to patients sensitized locally tions. 42,43,[46][47][48][49][50][51][52][53][54][55][56][57][58][59][60] Contact dermatitis (dermatitis venenata) . by previous topical application will of ten show exclusive or predominant reaction at the locally sensitized area.58, fi1-fi9…”