| http://www.w3.org/ns/prov#value | - Brevet US20030220643 - Devices to prevent spinal extension - Google???BrevetsRecherche Images Maps Play YouTube Actualit???s Gmail Drive Plus ??Connexion Recherche avanc???e dans les brevets BrevetsThis invention resides in apparatus for inhibiting full extension between upper and lower vertebral bodies, thereby preventing pain and other complications associated with spinal movement.
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