title: A "vector drain" in US gene therapy development?
authors.forename: Michel
authors.initials: M
authors.lastname: Sadelain
authors.forename: David A
authors.initials: DA
authors.lastname: Williams
mesh_terms: D002986:Clinical Trials as Topic; D015316:Genetic Therapy / Q000191:economics / Q000331:legislation & jurisprudence / Q000639:trends*; D005822:Genetic Vectors; D006801:Humans; D012107:Research Design; D012109:Research Support as Topic; D014481:United States