id	keyword
ecj-10745	hospital
ecj-10745	injury
ecj-10745	pre
ecj-10745	road
ecj-10745	victims
ecj-10745	emergency
ecj-10745	care
ecj-10745	traffic
ecj-10745	study
ecj-10745	addis
ecj-10745	ababa
ecj-10745	ethiopia
ecj-10745	ambulance