| http://www.w3.org/ns/prov#value | - In any case, the associated covering or composition preferably is a polymeric material such as a biodegradable polymer, e.g., polyglycolic acid, polylactic acid, reconstituted collagen, poly-p-dioxanone, and their copolymers such as poly(glycolide-lactide) copolymer, poly(glycolide-trimethylene carbonate) copolymer, poly(glycolide-??-caprolactone) copolymer, glycolide-trimethylene carbonate triblo
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