| http://www.w3.org/ns/prov#value | - Non-limiting examples of suitable biological sealants include fibrin, collagen, fibrin-collagen combinations, poly(1-glumatic acid), hydrogels such as gelatin based hydrogel, N-vinyl pyrrolidone, and mixtures and combinations thereof. [0031] Adhesive 40 may be provided on the exterior surface 24 of tubular body 21 by any known method, for example by spray coating, dip coating, transfer from a tape
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