5Otero Vich JM.Update on the Cloward procedure:new instruments.J Neurosurg.1994;81(5):716-720.
6An HS,Simpson JM,Glover JM,et al.Comparison between allograft plus demineralized bone matrix versus autograft in anterior cervical fusion.A prospective multicenter study.Spine(Phila Pa 1976).1995:20(20):2211-2216.
7Bishop RC,Moore KA,Hadley MN.Anterior cervical interbody fusion using autogeneic and allogeneic bone graft substrate:a prospective comparative analysis.J Neurosurg.1996;85(2):206-210.
8Savolainen S,Usenius JP,Hernesniemi J.Iliac crest versus artificial bone grafts in 250 cervical fusions.Acta Neurochir(Wien).1994;129(1-2):54-57.
9Leize EM,Hemmerle J,Voegel JC,et al.Characterization and histological analyses of a coral-collagen composite used for bone-replacement graft material:a report of clinical cases.J Mater Sci Mater Med.1999;10(1):47-51.
10Ganapathi M,Joseph G,Savage R,et al.MRI susceptibility artefacts related to scaphoid screws:the effect of screw type,screw orientation and imaging parameters.J Hand Surg Br.2002:27(2):165-170.
