Koenigs, J F Induced apical closure of permanent teeth in adult primates using a resorbable form of tricalcium phosphate ceramic. [electronic resource] - Journal of endodontics Mar 1975 - 102-6 p. digital Publication Type: Journal Article ISSN: 0099-2399 Standard No.: 10.1016/S0099-2399(75)80026-4 doi Subjects--Topical Terms: AnimalsCalcium Phosphates--pharmacologyCeramics--pharmacologyPeriapical Tissue--drug effectsRoot Canal Therapy--methods