Williams, David A A balanced decision? Regulatory reaction to the "third case". [electronic resource] - Molecular therapy : the journal of the American Society of Gene Therapy Jun 2005 - 819-20 p. digital Publication Type: Editorial ISSN: 1525-0016 Standard No.: 10.1016/j.ymthe.2005.04.010 doi Subjects--Topical Terms: AnimalsGenetic Therapy--adverse effectsHumansLeukemia--etiologyMiceMutagenesis, Insertional