| http://www.w3.org/ns/prov#value | - It will be appreciated that a screen-only version of the invention can comprise various suitable biocompatible absorbable and non-absorbable materials, including the materials disclosed above. [0070]FIG. 13a is an enlarged view of the screen 404 and particularly shows barbed strands 406 and horizontal spacers 408, which are connected together in a grid pattern forming the screen 404.
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