单项选择题
A.带状疱疹 B.盘状红斑狼疮 C.疥疮 D.药物性皮炎 E.丘疹样荨麻疹
A.2:1 B.3:2 C.1:1 D.3:1 E.4:3
A.0.5% B.0.7596 C.1.0% D.1.25% E.1.5%