hypertrophic scars短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 增生性瘢痕 Method With immunohistochemistry technique, the expression of VEGF and PCNA in keloids and hypertrophic scars was investigated, and the normal skins and scars were taken as controls. 方法应用免疫组织化学染色技术,以正常皮肤和正常瘢痕作对照,观察了瘢痕疙瘩和增殖性瘢痕中 VEGF和 PCNA的表达。 cnki