id	keyword
bam-11623	extract
bam-11623	apple
bam-11623	nanoparticles
bam-11623	zno
bam-11623	hydro
bam-11623	zno nanoparticles
bam-11623	streptococcus
bam-11623	mutans
bam-11623	apple hydro
bam-11623	study
bam-11623	effect
bam-11623	inhibition