%0 Journal Article %T Derivation of human embryonic stem cell lines from single cells of 4-cell stage embryos: be aware of the risks %A Feki, A. %A Hovatta, O. %A Jaconi, M. %J Human Reproduction %V 23 %N 12 %P 2874-2874 %@ 0268-1161 %D 2008-12-14 %I Oxford University Press %~ DeepDyve