Related by context. Frequent words. (Click for all words.) 60 Woo Suk Hwang 59 cloned embryonic stem 58 Hwang Woo Suk 56 Hwang Woo suk 54 cloned stem cells 53 scientist Hwang Woo 53 stem cell colonies 53 researcher Hwang Woo 52 Hwang 52 Gerald Schatten 50 Schatten 49 cloned embryos 48 Snuppy 47 WiCell 47 Ian Wilmut 47 Sungkyunkwan University 46 Shinya Yamanaka 46 Chung Un chan 46 genetically engineered mice 46 mouse embryos 46 somatic cell nuclear 46 suk 45 genetically modified mice 45 Hanyang University 45 embryos 45 cloned embryo 45 Rudolf Jaenisch 45 Song Jung 45 RIKEN 44 somatic cell 44 IVF embryos 44 Boisselier 44 Mitalipov 44 BioArts 44 Taleyarkhan 43 Stem Cell Hub 43 Neu5Gc 43 named Snuppy 43 HHMI investigator 43 stem cells 43 KAIST 43 Hakonarson 43 Roslin Institute 43 ES Cell 43 embryonic stem cells 43 Human Embryonic Stem 43 umbilical cord stem cells 43 journal Fertility 43 somatic cells 43 REUTERS Kim Kyung 42 By Elias Hazou 42 blastocysts 42 imprinted genes 42 Hankyoreh 42 science journal Nature 42 Jaenisch 42 scientists 42 Wilmut 42 zebrafish embryos 42 germ cells 42 stem cell 42 Sogang University 42 cloned 42 GNP lawmaker 42 extracted stem cells 42 genetically engineered mouse 42 By Bae Ji 42 iPSCs 42 human embryos 42 Hyung Jin Kim 42 neural stem cells 41 unfertilized human 41 unused embryos 41 Jungyoun Park 41 ETRI 41 transgenic mice 41 leftover embryos 41 Chung Ang 41 Yamanaka 41 ES cells 41 iPS cells 41 cloned Dolly 41 SCNT 41 genetically identical 41 reprogrammed cells 41 Wistar Institute 41 ova 41 Stem Cells 41 transgenic animal 41 chromosome abnormalities 41 CCMB 40 oocytes 40 induced pluripotent stem iPS 40 transgenic mouse 40 cloned cattle 40 Byeon 40 wook 40 stem cells derived 40 mouse embryonic stem 40 Embryos 40 purported breakthroughs