Tal, H Combined periodontic-endodontic lesions: a diagnostic challenge. [electronic resource] - Quintessence international, dental digest Dec 1984 - 1257-65 p. digital Publication Type: Journal Article Subjects--Topical Terms: Dental Pulp--physiologyDental Pulp Diseases--complicationsDental Pulp TestHumansPeriodontal Diseases--complicationsPeriodontics--instrumentation