1. Nutritional Anemias,1968
2. Iron nutrition in the elderly;Beard,1994
3. Hematological and iron-related analyses—Reference data for persons aged 1 year and over; United States, 1988–1994;Hollowell;Vital Health Stat,2005
4. Iron deficiency—United States, 1999–2000;Looker;MMWR,2002
5. Prevalence of anemia in persons 65 years and older in the United States: Evidence for a high rate of unexplained anemia;Guralnik;Blood,2004