Leist, Marcel The biological and ethical basis of the use of human embryonic stem cells for in vitro test systems or cell therapy. [electronic resource] - ALTEX 2008 - 163-90 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1868-596X Subjects--Topical Terms: Animal Testing Alternatives--ethicsAnimal WelfareAnimalsCell LineEmbryo Research--ethicsEmbryonic Stem Cells--drug effectsHumansStem Cell Transplantation--methods