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1·Objective To observe the growth kinetics of dermal papilla cells and dermal sheath cells from human hair follicles in vitro and the effect of epidermal growth factor (EGF) on them.

目的观察人正常头皮毛囊真皮成分的细胞体外培养的生长繁殖曲线及表皮细胞生长因子对它们的影响。