id	keyword
mkg-32696	nicotine
mkg-32696	day
mkg-32696	amp
mkg-32696	neutrophils
mkg-32696	non
mkg-32696	periodontitis
mkg-32696	treatment
mkg-32696	number
mkg-32696	macrophages
mkg-32696	group
mkg-32696	rats
mkg-32696	peptide
mkg-32696	aqua