id	keyword
dentistry3000-589	behavior
dentistry3000-589	dental
dentistry3000-589	numbee
dentistry3000-589	injection
dentistry3000-589	anesthesia
dentistry3000-589	preference
dentistry3000-589	syringe
dentistry3000-589	children
dentistry3000-589	pain
dentistry3000-589	study
dentistry3000-589	frankl
dentistry3000-589	trial
dentistry3000-589	scale