| http://www.w3.org/ns/prov#value | - DESCRIPTION OF THE PREFERRED EMBODIMENT [0029] The drawings show several embodiments of the invention, having the characteristic feature that each prosthesis has at least one chamber which can be inflated to conform to various intervertebral spaces. [0030] Preferably, each chamber is provided with studs, fingers, corrugations or other projecting structures designed to dig into the cranial and caud
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