id	keyword
bjos-8670338	months
bjos-8670338	group
bjos-8670338	ppd
bjos-8670338	intrabony
bjos-8670338	prf
bjos-8670338	test
bjos-8670338	cal
bjos-8670338	depth
bjos-8670338	ibdd
bjos-8670338	bone
bjos-8670338	oral