前言：目的：观察表皮生长因子(EGF)在人胎儿晶状体上皮细胞的表达。
Objective: to observe the expression of epidermal growth factor (EGF) in lens epithelial cells (LECs) of human fetus.
方法：胎儿背部皮肤为取材对象，分离表皮细胞和成纤维细胞。
Metheods: Epithelial cells and fibroblasts were isolated from the back skin of legally aborted human foetus.
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