id	keyword
ecj-11257	care
ecj-11257	emergency
ecj-11257	road
ecj-11257	health
ecj-11257	victims
ecj-11257	accessibility
ecj-11257	traffic
ecj-11257	study
ecj-11257	crash
ecj-11257	trauma
ecj-11257	review
ecj-11257	accidents
ecj-11257	emergency care