title: [Evaluation of the roles of ultrasonography and frozen section in the diagnosis of parotid gland masses]
authors.affiliation: Department of Oral & Maxillofacial Surgery,School of Stomatology,Shanghai Second Medical University,Shanghai 200011,China.
authors.forename: W C
authors.initials: WC
authors.lastname: Ye
authors.forename: X H
authors.initials: XH
authors.lastname: Liu
authors.forename: X F
authors.initials: XF
authors.lastname: Lu
authors.forename: Y S
authors.initials: YS
authors.lastname: Tang
authors.forename: Z Y
authors.initials: ZY
authors.lastname: Zhang
authors.forename: J W
authors.initials: JW
authors.lastname: Zheng