title: Ponticulus posticus.
authors.affiliation: Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No. 76 Nanguo Rd, Xi'an, Shaanxi 710054, China.
authors.forename: Da-Geng
authors.initials: DG
authors.lastname: Huang
authors.affiliation: Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No. 76 Nanguo Rd, Xi'an, Shaanxi 710054, China.
authors.forename: Ding-Jun
authors.initials: DJ
authors.lastname: Hao
authors.affiliation: Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No. 76 Nanguo Rd, Xi'an, Shaanxi 710054, China.
authors.forename: Xiang-Yi
authors.initials: XY
authors.lastname: Fang
authors.affiliation: Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No. 76 Nanguo Rd, Xi'an, Shaanxi 710054, China.
authors.forename: Xin-Liang
authors.initials: XL
authors.lastname: Zhang
authors.affiliation: Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No. 76 Nanguo Rd, Xi'an, Shaanxi 710054, China.
authors.forename: Bao-Rong
authors.initials: BR
authors.lastname: He
authors.affiliation: Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No. 76 Nanguo Rd, Xi'an, Shaanxi 710054, China.
authors.forename: Tuan-Jiang
authors.initials: TJ
authors.lastname: Liu