| http://www.w3.org/ns/prov#value | - If more than two vertebrae are to be held in a desired spatial relationship relative to each other by the apparatus 10, the rods 12 and 14 would be longer and more than two plates,such as the plates 30 and 32, may be used.The first plate 30 (FIGS. 5 and 6) is made of a suitable biocompatible material, such as titanium or stainless steel.
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