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