TY - JOUR A1 - Sumner, S.A. A1 - Layde, P.M. A1 - Guse, C.E. T1 - Firearm death rates and association with level of firearm purchase background check Y1 - 2008 DO - 10.1016/j.amepre.2008.03.023 VL - 35 IS - 1 ER -