title: Osteotome sinus floor elevation with or without grafting: a preliminary clinical trial.
authors.affiliation: Department of Oral & Maxillofacial Implantology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China. lhc9@hotmail.com
authors.forename: Hong-Chang
authors.initials: HC
authors.lastname: Lai
authors.forename: Long-Fei
authors.initials: LF
authors.lastname: Zhuang
authors.forename: Xiao-Fei
authors.initials: XF
authors.lastname: Lv
authors.forename: Zhi-Yong
authors.initials: ZY
authors.lastname: Zhang
authors.forename: Yun-Xin
authors.initials: YX
authors.lastname: Zhang
authors.forename: Zhi-Yuan
authors.initials: ZY
authors.lastname: Zhang