Zeoli AM, Frattaroli S, Barnard L, Bowen A, Christy A, Easter M, Kapoor R, Knoepke C, Ma W, Molocznik A, Norko M, Omaki E, Paruk JK, Pear VA, Rowhani-Rahbar A, Schleimer JP, Swanson JW, Wintemute GJ. Extreme risk protection orders in response to threats of multiple victim/mass shooting in six U.S. states: A descriptive study. Prev Med. 2022 12; 165(Pt A):107304.