title: Reducing gun violence: facts are stubborn things.
mesh_terms: D003299:Cooperative Behavior; D005389:Firearms / Q000331:legislation & jurisprudence* / Q000706:statistics & numerical data; D006801:Humans; D011057:Politics; D012106:Research; D012449:Safety; D014481:United States; D014754:Violence / Q000517:prevention & control* / Q000706:statistics & numerical data