Andrew J. French et al.:Development of Human cloned Blastocysts Following Somatic Cell Nuclear Transfer (SCNT) with Adult Fibroblasts. Teoksessa Stem Cells. Julkaistu verkossa, 17.1.2008, PDF saksaksi (Arkistoitu – Internet Archive)
Andrew J. French et al.:Development of Human cloned Blastocysts Following Somatic Cell Nuclear Transfer (SCNT) with Adult Fibroblasts. Teoksessa Stem Cells. Julkaistu verkossa, 17.1.2008, PDF saksaksi (Arkistoitu – Internet Archive)