| 摘要 |
The present invention relates to a bioactive material, particularly one which comprises SiO<SUB>2 </SUB>and CaO and optionally Na<SUB>2</SUB>O and/or P<SUB>2</SUB>O<SUB>5</SUB>, for use in stimulating vascularisation and pharmaceutical compositions, wound dressings, tissue constructs and delivery systems which include such a bioactive material.
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