1. And demodectic acne rosacea, demodectic blepharitis, demodectic pruritus in external auditory meatus and demodectic papillitis are the common demodicidosis.
   蠕形螨病好发部位多见于鼻、睑缘、外耳道,面部皮肤等。
2. Objective:To study on the principle of prevention and treatment of pruritus of meatus acousticus externus.
   探讨外耳道瘙痒症的防治原则。

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