The absence of guns in homes and communities is the most reliable and effective measure to prevent firearm-related injuries in children and adolescents.
Well, you can't fault their logic -- if there were no firearms anywhere there would be no firearms-related injuries. Of course, that assumes that you could actually ensure the total absence of firearms, as opposed to just the absence of those owned by law-abiding, decent people. And that you don't mind other sorts of injuries. Details, right?