1. Evaluation of gastrointestinal tract in-patients with iron deficiency anemia;Rockey;N. Engl. J. Med.,1993
2. Rockey DC. Gastrointestinal bleeding. In: Feldeman, M. Friedman, LS, Sleisneger, MH. editors. Gastrointestinal and liver disease, Vol. 1, 7th edition. Philadelphia: Saunders; 2002. p. 221–48.
3. Guidelines for the management of iron deficiency anemia for the British Society of Gastroenterology;Goddard;Gut,2000
4. Prevalence of iron deficiency in the United States;Looker;J. Am. Med. Assoc.,1997
5. Iron balance in menstruating women;Hallberg;Eur. J. Clin. Nutr.,1995