RT Article T1 Database discrepancies in understanding the burden of mass shootings in the United States, 2013-2020 JF The lancet. Regional health VO 22 A1 Bridges, Tristan A1 Brazzell, Melanie A1 Tober, Tara L. A2 Brazzell, Melanie A2 Tober, Tara L. LA English YR 2023 UL https://krimdok.uni-tuebingen.de/Record/1912504987 DO 10.1016/j.lana.2023.100504