| http://www.w3.org/ns/prov#value | - structures such as grafts, tendons and other structuresUS5171322 *Nov 19, 1991Dec 15, 1992Kenny Charles HTo prevent and reverse changes in the kneeUS5192312 *Mar 5, 1991Mar 9, 1993Colorado State University Research FoundationTreated tissue for implantation and methods of treatment and useUS5306304 *Jan 13, 1993Apr 26, 1994El GendlerFlexible membranes produced from organic bone matrix for skeletal
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