title: A balanced decision? Regulatory reaction to the "third case".
authors.forename: David A
authors.initials: DA
authors.lastname: Williams
mesh_terms: D000818:Animals; D015316:Genetic Therapy / Q000009:adverse effects* / Q000331:legislation & jurisprudence*; D006801:Humans; D007938:Leukemia / Q000209:etiology*; D051379:Mice; D016254:Mutagenesis, Insertional