title: Congenital absence of the posterior arch of the atlas.
authors.affiliation: Department of Orthopedic Surgery, Wuxi Ninth People's Hospital Affiliated to Soochow University, 999 Liangxi Rd, Wuxi, Jiangsu 214062, China.
authors.forename: Ming
authors.initials: M
authors.lastname: Zhou
authors.affiliation: Department of Orthopedic Surgery, Wuxi Ninth People's Hospital Affiliated to Soochow University, 999 Liangxi Rd, Wuxi, Jiangsu 214062, China.
authors.forename: Haifeng
authors.initials: H
authors.lastname: Li
authors.affiliation: Department of Orthopedic Surgery, Wuxi Ninth People's Hospital Affiliated to Soochow University, 999 Liangxi Rd, Wuxi, Jiangsu 214062, China.
authors.forename: Sanjun
authors.initials: S
authors.lastname: Gu
authors.affiliation: Department of Orthopedic Surgery, Wuxi Ninth People's Hospital Affiliated to Soochow University, 999 Liangxi Rd, Wuxi, Jiangsu 214062, China.
authors.forename: Zhenzhong
authors.initials: Z
authors.lastname: Sun
authors.affiliation: Department of Orthopedic Surgery, Wuxi Ninth People's Hospital Affiliated to Soochow University, 999 Liangxi Rd, Wuxi, Jiangsu 214062, China.
authors.forename: Yajun
authors.initials: Y
authors.lastname: Xu
authors.affiliation: Department of Orthopedic Surgery, Wuxi Ninth People's Hospital Affiliated to Soochow University, 999 Liangxi Rd, Wuxi, Jiangsu 214062, China.
authors.forename: Yongjun
authors.initials: Y
authors.lastname: Rui