Vitiligo is a chronic skin disease that causes loss of pigment resulting in irregular pale patches of skin.

白斑是一种慢性疾病，致使缺少色素，使皮肤产生不规则的白色斑块。

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Vitiligo is a chronic skin disease that causes loss of pigment resulting in irregular pale patches of skin.

白斑是一种慢性疾病，致使缺少色素，使皮肤产生不规则的白色斑块。

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