Authors: Susan M Rhind; Tim J King; Linda M Harkness; Chris Bellamy; William Wallace; Paul DeSousa; Ian Wilmut Journal: Nat Biotechnol Date: 2003-07 Impact factor: 54.908
Authors: Irina M Conboy; Michael J Conboy; Amy J Wagers; Eric R Girma; Irving L Weissman; Thomas A Rando Journal: Nature Date: 2005-02-17 Impact factor: 49.962