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to be published. This method is specially designed to solve the energy-band problem over an extended energy range and can describe simultaneously several principal quantum numbers of the eigenstates. Detailed absorption spectra calculations for the 3d and 4d transition metals have already been published:

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A case of cystic degeneration of the transverse ligament located posteriorly to the dens and causing compression to the lower medulla and upper cervical spinal cord is reported. The clinical, pathological, and radiological findings are described and compared to the literature to characterize this syndrome more fully. The advantages of a posterolateral surgical approach are stressed.