id	keyword
ejnm-292	satisfaction
ejnm-292	patients
ejnm-292	care
ejnm-292	angiography
ejnm-292	health
ejnm-292	study
ejnm-292	knowledge
ejnm-292	article
ejnm-292	procedure
ejnm-292	heart
ejnm-292	disease
ejnm-292	level
ejnm-292	time