id	keyword
mkg-915	periodontal
mkg-915	estrogen
mkg-915	women
mkg-915	receptor
mkg-915	pocket
mkg-915	menopausal
mkg-915	periodontitis
mkg-915	depth
mkg-915	immunoexpression
mkg-915	study
mkg-915	gingival
mkg-915	bone
mkg-915	correlation
mkg-915	disease