http://www.w3.org/ns/prov#value | - A bioinert microporous bioceramic sphere(s), according to claims 1-17, which are made of aluminum oxide (alumina) and that once implanted, will maintain their original shape and size permanently, even when coatings and/or other gases, liquids, organic or inorganic materials, nanostructures, nanoparticles or other nanomaterials have been resorbed by the body or when the coatings and additive substa
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