Posterior fusion of the lumbosacral spine : a comprehensive follow-up study on the results of posterior fusion operations in congenital and acquired deformities of the lumbosacral spine with special reference to social, vocational and economic aspects
Posterior fusion of the lumbosacral spine : a comprehensive follow-up study on the results of posterior fusion operations in congenital and acquired deformities of the lumbosacral spine with special reference to social, vocational and economic aspects
Posterior fusion of the lumbosacral spine : a comprehensive follow-up study on the results of posterior fusion operations in congenital and acquired deformities of the lumbosacral spine with special reference to social, vocational and economic aspects
Posterior fusion of the lumbosacral spine : a comprehensive follow-up study on the results of posterior fusion operations in congenital and acquired deformities of the lumbosacral spine with special reference to social, vocational and economic aspects