单项选择题
A.5% B.10% C.30% D.40% E.50%
A.5% B.10% C.15% D.20% E.30%
A.30% B.40% C.50% D.60% E.80%
A.银屑病 B.白癜风 C.白色糠疹 D.花斑癣 E.贫血痣
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