Stage is difficult to determine until eschar has sloughed or has been surgically removed .
在焦痂脱落或手术去除前难以确定其分期。
Objective to investigate the remote effects of epidermal growth factor ( egf ) and early removal of eschar combined with skin grafting for the treatment of skin lesion produced by mustard gas .
目的观察早期使用表皮细胞生长因子治疗、创面早期切痂植皮对芥子气皮肤损伤的疗效。
At the end of last century , chinese scholar rong-xiang xu established moist exposed burn therapy ( mebt ) , which generally forbids cutting eschar , restricts the use of antibiotics , maintains physiological moist at wound site , exposes the wounds and avoids skin grafting .