id	keyword
cvj-41	periodontitis
cvj-41	rats
cvj-41	ligature
cvj-41	bone
cvj-41	tissue
cvj-41	molar
cvj-41	gingival
cvj-41	figure
cvj-41	disease
cvj-41	cluj
cvj-41	protocol
cvj-41	days
cvj-41	vet