1. Receding mandibular labial gingiva on children;Rose;Angle Orthod.,1967
2. Clinical evaluation of local gingival recession in children;Parfitt;J. Dent. Child.,1964
3. Mucogingival problems, prevalence and therapy in children;Maynard;J. Periodontol.,1975
4. Experimental gingivitis in man;Löe;J. Periodontol.,1967
5. The relationship between the width of keratinized gingiva and gingival health;Lange;J. Periodontol.,1972