title: Stem cell research. Harvard cloners Get OK to proceed with caution.
authors.forename: Constance
authors.initials: C
authors.lastname: Holden
mesh_terms: D002460:Cell Line; D019976:Cloning, Organism; D033041:Embryo Research / Q000941:ethics; D004622:Embryo, Mammalian / Q000166:cytology; D005260:Female; D006801:Humans; D008404:Massachusetts; D053652:Nuclear Transfer Techniques; D018587:Oocyte Donation; D012109:Research Support as Topic; D013234:Stem Cells