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Porosity of osteoporosis bone for vanadium and Arsen substitution.
| Filled space/% | Void space/% | |
|---|---|---|
| Before vanadium substitution | 20.71 | 79.29 |
| After vanadium substitution | 18.40 | 81.60 |
| Before arsen substitution | 20.71 | 79.29 |
| After arsen substitution | 17.92 | 82.08 |
