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2. Federal Bureau of Investigation;NICS firearm background checks: month/year
3. Gun violence incidence during the COVID-19 pandemic is higher than before the pandemic in the United States;Ssentongo P,2021
4. Increase in gunshot wounds at a level 1 trauma center following the COVID19 pandemic;Padubidri AA,2021
5. Incidence of gunshot wounds to head and neck increased during COVID-19 pandemic;Amin D,2021