title: Recent stem cell research poses several challenges.
authors.forename: Ian
authors.initials: I
authors.lastname: Wilmut
mesh_terms: D019976:Cloning, Organism; D033041:Embryo Research; D004622:Embryo, Mammalian; D006801:Humans; D012106:Research / Q000639:trends*; D015871:Scientific Misconduct; D013234:Stem Cells / Q000166:cytology*