US should back research cloning.
D000328:Adult; D019976:Cloning, Organism / Q000331:legislation & jurisprudence*; D004194:Disease; D004622:Embryo, Mammalian / Q000166:cytology / Q000502:physiology; D006076:Government; D006801:Humans; D009316:National Institutes of Health (U.S.); D012106:Research / Q000331:legislation & jurisprudence*; D035845:Research Embryo Creation; D013234:Stem Cells / Q000166:cytology / Q000502:physiology; D013812:Therapeutics; D014481:United States