State handgun purchase age minimums in the US and adolescent suicide rates: regression discontinuity and difference-in-differences analyses
Raifman, Julia, Elysia Larson, Colleen Barry, Michael Siegel, Michael Ulrich, Anita Knopov, and Sandro Galea. 2020. “State Handgun Purchase Age Minimums in the US and Adolescent Suicide Rates: Regression Discontinuity and Difference-in-Differences Analyses”. BMJ 370: m2436.