Compositions useful as bone cements, tissue implants, dental materials, fillers, and as bone grafts, {HEAD ~ pins}, screws, plates, stents, and other articles of manufacture, and {TAIL ~ methods} of preparation and use thereof, are disclosed 
Compositions useful as bone cements , tissue implants , dental materials , fillers , and as bone grafts , { HEAD ~ pins } , screws , plates , stents , and other articles of manufacture , and { TAIL ~ methods } of preparation and use thereof , are disclosed
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