1. 2. Report on the Surrey of Dental Diseas (1987 Dental Health Division of Health Policy Bureau Ministry of Health and Welfare, Japan, Koukuhokenkyoukai, Tokyo. 1989 .
2. 3. Dental Health Services Research Unit, University of Dundee. Scottish Health Hoard's Dental Epidemiological Programme. Report of the 1988/1989 Survey of 12 year old children.
3. Dental Caries Diagnosis Calibration for Clinical Field Surveys