| come into contact | 0.47 |
| function as a one-way v… | 0.34 |
| use percutaneous method | 0.34 |
| create orifice | 0.30 |
| overlap one another | 0.30 |
| prevent blood | 0.25 |
| flow in only one direct… | 0.25 |
| impede reverse flow of … | 0.25 |
| differ in size | 0.25 |
| described in u.s. pat | 0.25 |
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| size | 0.43 |
| arcuate cusp edge | 0.34 |
| central area | 0.30 |
| free edge | 0.25 |
| symmetric | 0.30 |
| mitral regurgitation | 0.16 |
| polymeric materials | 0.25 |
| shown in fig | 0.52 |
| attached to the frame | 0.50 |
| mounted within a periph… | 0.50 |
| constrained within crim… | 0.46 |
| attached to the cuff | 0.43 |
| removed | 0.41 |
| cut | 0.40 |
| formed of pericardial t… | 0.40 |
| provided as porcine | 0.38 |
| provided as bovine | 0.38 |
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