Socransky, S S Problems in the evaluation of therapeutic procedures in view of recent periodontal research findings. [electronic resource] - The International journal of periodontics & restorative dentistry 1985 - 68-88 p. digital Publication Type: Journal Article ISSN: 0198-7569 Subjects--Topical Terms: Aggressive Periodontitis--physiopathologyBacteria--isolation & purificationEvaluation Studies as TopicHumansPeriodontal Diseases--classificationPeriodontitis--physiopathologyRecurrence