Evans, Martin Ethical sourcing of human embryonic stem cells--rational solutions? [electronic resource] - Nature reviews. Molecular cell biology Aug 2005 - 663-7 p. digital Publication Type: Journal Article; Review ISSN: 1471-0072 Standard No.: 10.1038/nrm1698 doi Subjects--Topical Terms: AnimalsEmbryo Research--ethicsEmbryo, Mammalian--cytologyHumansMicePluripotent Stem Cells--transplantation