Abstract Background: Research suggests that access to firearms in the home increases the risk for violent death. Purpose: To understand current estimates of the association between firearm availability and suicide or homicide. Data Sources: PubMed, EMBASE, the Cochrane Central Register of Controlled Trials, and Web of Science were searched without limitations and a gray-literature search was performed on 23 August 2013. Study Selection: All study types that assessed... (GunPolicy.org)