id	keyword
ecj-4781	patients
ecj-4781	transport
ecj-4781	care
ecj-4781	hospital
ecj-4781	ill
ecj-4781	events
ecj-4781	complications
ecj-4781	transfer
ecj-4781	extracorporeal
ecj-4781	med
ecj-4781	emergency
ecj-4781	review
ecj-4781	problems
ecj-4781	ecmo
ecj-4781	crit
ecj-4781	ambulance