title: [A study on the activity of GSH-PX in saliva of the patients with preiodontal diseases]
authors.affiliation: Department of Dentistry, Affiliated Jinshan Hospital, Shanghai Medical University. Shanghai 200540,China.
authors.forename: B B
authors.initials: BB
authors.lastname: Meng
authors.forename: W C
authors.initials: WC
authors.lastname: Ji
authors.forename: Y M
authors.initials: YM
authors.lastname: Yao
authors.forename: J
authors.initials: J
authors.lastname: Tang