1. Vitamin B12 deficiency in the elderly;Baik;Annual Review of Nutrition,1999
2. Thirst and fluid requirements;Chernoff;Nutrition Reviews,1994
3. Aging and nutrition;Garry,1996
4. Dietary Reference Intakes for Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride,1997
5. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B-6, Folate, Vitamin B-12, Pantothenic Acid, Biotin, and Choline,1998