id	keyword
mkg-880	stainless
mkg-880	steel
mkg-880	hours
mkg-880	titanium
mkg-880	reconstruction
mkg-880	cell
mkg-880	316l
mkg-880	plate
mkg-880	study
mkg-880	material
mkg-880	fibroblast
mkg-880	yang
mkg-880	control
mkg-880	mtt
mkg-880	media
mkg-880	dan