RT Article T1 Concealed firearm carrying laws and defensive firearm use in public locations of US metropolitan areas, 1986-2004 JF Injury prevention A1 Koper, Christopher S. A2 Dong, Beidi A2 Lu, Yi-Fang LA English YR 2024 UL https://krimdok.uni-tuebingen.de/Record/1912488825 DO 10.1136/ip-2024-045257