Reasonable control: gun registration in Canada.
D002170:Canada / Q000453:epidemiology; D002423:Cause of Death; D005389:Firearms / Q000331:legislation & jurisprudence; D006801:Humans; D015994:Incidence; D008004:Licensure / Q000331:legislation & jurisprudence; D014481:United States / Q000453:epidemiology; D014948:Wounds, Gunshot / Q000401:mortality / Q000517:prevention & control*