6Hadley MN. Isolated fractures of the atlas in adults[J]. Neurosur- gery, 2002, 50(3 Suppl):S120-124.
7Hu Y, Ma W, Xu R. Transoral osteosynthesis CI as a function- preserving option in the treatment of bipartite atlas deformity: a case report[J]. Spine (Phila Pa 1976), 2009, 34(ll ): E418-421.
8Hu Y, Gu YJ, Ye PH, et al. Posterior cervicle spine arthrodesis incorporating C2 laminar screw fixation technique in the treatment of cervical spine injury[J]. Orthopaedic Surgery, 2010, 2( 1 ) : 32 -37.
9Hadley MN. Management of combination fractures of the atlas and axis in adults [ J ]. Neurosurgery, 2002, 50 ( 3 Suppl ) : S140-S147.
10Ruf M, Melcher R, Harms J. Transoral reduction and osteosyn- thesis C1 as a function-preserving option in the treatment of unstable Jefferson fractures[J].Spine ( Phila Pa 1976), 2004, 29 ( 7 ) : 823-827.