http://www.w3.org/ns/prov#value | - The tissue valve 50 may be created by any suitable means, including a procedure whereby the tissue penetrating, cutting or boring device used to create the transmyocardial bloodflow passageway is provided with a tapered distal end having a configuration analogous to that of the inner edge(s) 55 of the wall segment(s) 54 so as to form the desired tissue valve(s) or segment(s) when form the endogeno
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