id	keyword
bjos-8671338	health
bjos-8671338	quality
bjos-8671338	literacy
bjos-8671338	oral
bjos-8671338	ohl
bjos-8671338	adolescents
bjos-8671338	caries
bjos-8671338	life
bjos-8671338	performance
bjos-8671338	education
bjos-8671338	doi
bjos-8671338	low