1. Chewing ability in relation to dental and general health;Agerberg;Acta Odotologica Scandinavica,1981
2. Trend of national health in Japan;Health and WelfareStatics Association;Journal of Health and Welfare Statistics,2001
3. Age-related change of masticatory function in complete denture wearers: evaluation by a sieving method with peanuts and food intake questionnaire method;Hirai;International Journal of Prosthedontics,1994
4. Chewing difficulty and dietary intake in the elderly;Horwath;Journal of Nutrition for the Elderly,1989
5. Revised version of HDR scale. Japanese;Kato;Journal of Geriatric Psychiatry,1991