id	keyword
mkg-21281	exercise
mkg-21281	wound
mkg-21281	healing
mkg-21281	extraction
mkg-21281	test
mkg-21281	anaerobic
mkg-21281	neovascularisation
mkg-21281	fibroblasts
mkg-21281	process
mkg-21281	tooth
mkg-21281	group
mkg-21281	rats