title: Gene therapy needs both trials and new strategies.
authors.forename: David
authors.initials: D
authors.lastname: Williams
authors.forename: Christopher
authors.initials: C
authors.lastname: Baum
mesh_terms: D002986:Clinical Trials as Topic / Q000009:adverse effects / Q000639:trends*; D015316:Genetic Therapy / Q000009:adverse effects / Q000639:trends*; D006801:Humans