Authors: Woo Suk Hwang; Young June Ryu; Jong Hyuk Park; Eul Soon Park; Eu Gene Lee; Ja Min Koo; Hyun Yong Jeon; Byeong Chun Lee; Sung Keun Kang; Sun Jong Kim; Curie Ahn; Jung Hye Hwang; Ky Young Park; Jose B Cibelli; Shin Yong Moon Journal: Science Date: 2004-02-12 Impact factor: 47.728