Stem cells without embryo loss.
D026683:Advisory Committees; D033041:Embryo Research / Q000941:ethics*; D004622:Embryo, Mammalian / Q000166:cytology*; D006801:Humans; D007221:Industry; D019836:Preimplantation Diagnosis; D012067:Religion; D013234:Stem Cells; D014481:United States; D015053:Zygote / Q000166:cytology*