It is {TAIL ~ another object} of the present invention to provide a new process for the preparation of microspherical sintered bodies of hydroxyapatite in one step from a hydroxyapatite slurry according to {HEAD ~ a specific spray firing method} 
It is { TAIL ~ another object } of the present invention to provide a new process for the preparation of microspherical sintered bodies of hydroxyapatite in one step from a hydroxyapatite slurry according to { HEAD ~ a specific spray firing method }
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