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Nanocrystalline hydroxyapatite (HA) powder was synthesized from natural bovine bone by a vibro-milling method. The bovine bone had been deproteinized by hot water before it was calcined at 800°C for 3h. The resulting product was crushed into small pieces and milled in a ball mill pot for 24h. After that the powders were ground by the vibro-milling method with various milling times. Characteristics...
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