RT Article T1 Firearm suicides and homicides in the United States: regional variations and patterns of gun ownership JF Social science & medicine VO 46 IS 9 SP 1227 OP 1233 A1 Kaplan, Mark S. A2 Geling, Olga LA English YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1912560453 DO 10.1016/S0277-9536(97)10051-X