id	keyword
mkg-15175	propolis
mkg-15175	peg
mkg-15175	extract
mkg-15175	bone
mkg-15175	quantity
mkg-15175	bbg
mkg-15175	day
mkg-15175	group
mkg-15175	osteoblasts
mkg-15175	fibroblasts
mkg-15175	test