1. Mortality in the United States, 2016;Kochanek KD;NCHS Data Brief,2017
2. Deaths: leading causes for 2016;Heron M;Natl Vital Stat. Rep.,2018
3. Initial Care of the Severely Injured Patient
4. Global status report on road safety 2018: Summary.Geneva Switzerland:World Health Organization 2018. Contract No.: WHO/NMH/NVI/18.20.