Table 5.

The top 20 keywords.

Rank	Keywords	Citations	Centrality	Year
1	Management	983	0.22	2012
2	Traumatic brain injury	372	0.07	2012
3	Mortality	370	0.12	2012
4	Major trauma	320	0.2	2012
5	Injury	249	0.06	2012
6	Outcome	242	0.11	2012
7	Care	216	0.07	2012
8	Impact	173	0.06	2012
9	Guideline	150	0.05	2012
10	Epidemiology	144	0.06	2012
11	Intracranial pressure	142	0.02	2012
12	Head injury	141	0.05	2012
13	Severe head injury	126	0.08	2012
14	Brain injury	119	0.04	2012
15	Children	119	0.02	2012
16	Surgery	103	0.03	2012
17	Resuscitation	100	0.05	2012
18	Decompressive craniectomy	96	0.01	2012
19	Trauma	87	0.01	2012
20	Risk	86	0.04	2012