本帖最后由 woaipi 于 2012-4-7 17:41 编辑 . \: t6 V8 d! z$ Q5 u6 s9 N ' [6 N4 i4 y. k. o% WStem cells of the human epidermis and their niche: Composition and function in epidermal regeneration and carcinogenesis. 9 ^6 W+ P) t3 q/ ~ & i3 t* @/ o% q( I! i% Hhttp://www.ncbi.nlm.nih.gov/pubmed/?term=Stem%20cells%20of%20the%20human%20epidermis%20and%20their%20niche%3A%20Composition%20and%20function%20in%20epidermal%20regeneration%20and%20carcinogenesis%20