1. Supplement users differ from nonusers in demographic, lifestyle, dietary and health characteristics;Lyle;J Nutr.,1998
2. The effect of oral nutritional supplements on habitual dietary quality and quantity in frail elders;Fiatarone Singh;J Nutr Health Aging.,2000
3. Use of Dietary Supplements in the United States, 1988-94. Vital and Health Statistics Series 11, No. 244;Ervin,1999
4. Nonvitamin, nonmineral dietary supplements;Radimer;J Am Diet Assoc.,2000
5. Report to Chairman, Special Committee on Aging, U.S. Senate. Health Products for Seniors,2001