title: Embryos, stem cells and moral status: a response to George and Lee.
authors: Agata
authors: A
authors: Sagan
authors: Peter
authors: P
authors: Singer
mesh_terms: D065150:Cellular Reprogramming / Q000502:physiology; D033041:Embryo Research / Q000941:ethics*; D004622:Embryo, Mammalian / Q000502:physiology; D006801:Humans; D009014:Morals; D013234:Stem Cells / Q000502:physiology