4Silcox DH,Daftari T,Boden SD,et al.The effect of nicotine on spinal fusion.Spine1995,20(14):1549.
5Boden SD,Schimandle JH,Hutton WC.Lumbar intertransverse-process spinal arthrodesiswith use of a bone-derived osteoinductive protein.J Bone Joint Surg 1995,77-A:1404.
9Croft PR,Papageorgiou AC,Ferry S et al.Psychologic distress and low backpain,evidence from a prospective study in the general population.Spine 1995,20(14):2731.
10Hansen FR,Biering-s rensen F,Schroll M.Minnestota Multiphasic personalityInventory profiles in persons with or without low back pain,a 20-year follow-upstudy.Spine 1995,20(14):2716.