1. Prevalence and quality of endodontic treatment in an urban adult population in Norway;Eriksen;Endod Dent Traumatol,1988
2. A radiographic survey of periapical conditions in elderly people in a Swedish county population;Allard;Endod Dent Traumatol,1986
3. Tandtillstndet hos 100 personer i ldrarna 3 till 70 r inom jönköpings kommun. III. Röntgenologisk undersöking av tänder och käkar;Axelsson;Tandläkrtidn,1977
4. Epidemiologic-roentgendiagnostic study of teeth, jaws and temporo-mandibular joints in 67-year old people in, Dalby, Sweden;Lysell;[Thesis] (In Swedish with English summary). Malmo, Sweden,1977
5. Frequency and technical standard of endodontic treatment in a Swedish population;Eckerbom;Endod Dent Traumatol,1987