1. 1 . Todhunter E Darby WJ. Guidelines for maintaining adequate nutrition in old age. Geriatrics 1978; 33(6):56.
2. 2. Grieger OG Johnson LA. Positive education for elderly persons correct eating through reinforcement. Gerontologist 1974; 14:432-436.
3. 3. Weinberg J. Psychologic implications of the nutritional needs of the elderly. J Am Dietetic Ass 1972; 60(4):293-296.
4. 4. Nutrition and eating problems of the elderly. Am Dietetic Ass 1971; 58:43-48.
5. 5. Nolan N. Observations on the use of a supplemental beverage. J Am Dietetic Ass 1970; 56:529-534.