1. Development of the geriatric oral health assessment index;Atchison;Journal of Dental Education,1990
2. A Study of Dental Health Related Process Outcomes Associated with Prepaid Dental Care;Bonito,1984
3. “Quality of life” in social science and medicine,1995
4. Developing socio-dental indicators—the social impact of dental disease;Cushing;Community Dental Health,1986
5. Grouping techniques;Dixon,1993