草莓看视频免费高清视频剧情介绍:[9]　海弗里克发现，培养的人类干细胞：‘The Disparity Between Human Cell Senescence In Vitro and Lifelong Replication In Vivo', Nature Biotechnology, 1 July 2002.[10]　犹他大学遗传学家的一项研究发现：University of Utah Genetic Science Learning Center report, ‘Are Telomeres the Ke ...