1. Dental fees charged by general practitioners and selected specialists in the United States, 1975;Bureau of Economic Research and Statistics, American Dental Association;JADA,1977
2. Nutritional knowledge and attitudes of dental students;Pietz;JADA,1980
3. Nutritional knowledge and attitudes of physicians;Krause;J Am Diet Assoc,1977
4. The nutritional knowledge of medical students;Phillips;J Med Educ,1971
5. Nutritional knowledge and attitudes of registered nurses;Vickstrom;J Am Diet Assoc,1976