BACKGROUND Chiari-Ⅰmalformation is a disorder involving hindbrain maldevelopments characterized by herniation of the cerebellar tonsils through the foramen *** coexists so often with the chiari malformation that the
BACKGROUND Chiari-Ⅰmalformation is a disorder involving hindbrain maldevelopments characterized by herniation of the cerebellar tonsils through the foramen *** coexists so often with the chiari malformation that the
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