| http://www.w3.org/ns/prov#value | - sthesis, each plate having an outer surface configured to be positioned within the vertebral space and to bear against the end surface of one of the two vertebrae, a ventral edge, a rear edge, and a central portion, the ventral edge of at least one of the plates including means for receiving at least one bone screw at an angle which is within about thirty degrees of an axis which is normal to the
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