作者单位：
Harvard Univ, Sch Med, Boston, MA USA
[1]
Univ Calif Davis, Sch Med, Dept Surg, Div Trauma & Emergency Surg, Sacramento, CA 95817 USA
[2]
Boston Childrens Hosp, Div Pediat Emergency Med, Boston, MA USA
[3]
Univ Calif Davis, Sch Med, Dept Emergency Med, Sacramento, CA 95817 USA
[4]
发布时间
2017-04-06
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