1. Risk assessment of recurrence of disease during supportive periodontal care;Ainamo;J Clin Periodontol,1996
2. Intrafamilial transmission of Actinobacillus actinomycetemcomitans;Alaluusua;J Periodontol,1991
3. Position paper: Periodontal maintenance;American Academy of Periodontology;J Periodontol,2003
4. Academy Report: Guidelines for the management of patients with periodontal diseases;American Academy of Periodontology;J Periodontol,2006