Tong Xu, Ailin Jia, Yougen Huang, Shixiang Fei, Zhi Guo, Dewei Meng, Naichao Feng, Ruohan Liu, Chenhui Wang, Suqi Huang
Distribution and Main Controlling Factors of Gas and Water in Tight Sandstone Gas Fields: A Case Study of Sudong 41-33 Block in Sulige Gas Field, Ordos Basin, China
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exposure firearms increased substantially december 2012 shooting sandy hook elementary school newtown connecticut 20 children 6 adults killed gun sales spiked 3 million basis increase number background checks firearm purchases google searches buying cleaning guns increased used vital statistics mortality data examine whether spike accidental firearm deaths occurred time greater exposure firearms also assessed whether increase deaths larger states spike gun sales per capita larger find additional 60 deaths overall including 20 children resulted unintentional shootings immediate aftermath sandy hook