1. The epidemiology of gingival recessions and possible clinical accompanying symptoms. Study of 2410 18–22-year-old patients;HD Mierau;Dtsch Zahnärztl Z,1986
2. Etiology of gingival recessions;BM Kleber;Dtsch Zahnärztl Z,1989
3. Gingival recession in schoolchildren at 7, 12 and 17 years of age in Espoo, Finland;J Ainamo;Com Dent Oral Epidem,1986