State handgun purchase age minimums in the US and adolescent suicide rates : regression discontinuity and difference-in-differences analyses
Autor: | Raifman, Julia, Larson, Elysia, Barry, Colleen L, Siegel, Michael, Ulrich, Michael, Knopov, Anita, Galea, Sandro |
---|---|
Zdroj: | BMJ: British Medical Journal, 2020 Jul . 370, 1-8. |
Databáze: | JSTOR Journals |
Externí odkaz: |