title: Stem-cell brothers divide.
authors.forename: David
authors.initials: D
authors.lastname: Cyranoski
authors.forename: Erika
authors.initials: E
authors.lastname: Check
mesh_terms: D002460:Cell Line; D003299:Cooperative Behavior; D005260:Female; D006801:Humans; D007391:International Cooperation; D007723:Korea; D035845:Research Embryo Creation / Q000941:ethics*; D012108:Research Personnel / Q000941:ethics* / Q000523:psychology*; D015871:Scientific Misconduct; D013234:Stem Cells; D014019:Tissue Donors / Q000941:ethics*; D014481:United States