single small firm red painless papule quickly ulcerates (chancre)
单件小批坚强无痛性红色丘疹很快消化性溃疡(硬下疳)。
When the skin suffers to the serious burns, wound, infection and diabetes unprogressive skin ulcerates etc, it become hard problem to repair and rebuild the big area skin defect.
当皮肤遭受严重烧伤、创伤、感染及糖尿病顽固性皮肤溃疡等损害时,大面积皮肤缺损的修复成为棘手的难题。
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