title: Sialendoscopy-based diagnosis and treatment of salivary ductal obstructions.
authors.affiliation: Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, PR China. drliaoguiqing@hotmail.com
authors.forename: Gui Qing
authors.initials: GQ
authors.lastname: Liao
authors.forename: Yu Xiong
authors.initials: YX
authors.lastname: Su
authors.forename: Guang Sen
authors.initials: GS
authors.lastname: Zheng
authors.forename: Li Zhong
authors.initials: LZ
authors.lastname: Liang