Kontogiannis, T G Periapical lesions are not always a sequelae of pulpal necrosis: a retrospective study of 1521 biopsies. [electronic resource] - International endodontic journal Jan 2015 - 68-73 p. digital Publication Type: Journal Article ISSN: 1365-2591 Standard No.: 10.1111/iej.12276 doi Subjects--Topical Terms: AdultBiopsyDental Pulp Necrosis--complicationsDiagnosis, DifferentialFemaleHumansMaleMiddle AgedPeriapical Diseases--etiologyRetrospective Studies