1.  Centers for Disease Control and Prevention (CDC). Iron deficiency. Accessed January 6, 2009.

2.  National Heart, Lung & Blood Institute. Iron-deficiency anemia. Accessed January 6, 2009.

3.  Centers for Disease Control and Prevention. Iron deficiency - United States, 1999-2000. MMWR. 2002;51(40):897-9.

4.  Centers for Disease Control and Prevention (CDC). Iron deficiency. Accessed January 6, 2009.

5.  National Heart, Lung & Blood Institute. Iron-deficiency anemia. Accessed January 6, 2009.

About Iron Supplements

1.  Seligman,P., et al, Clinical Studies of HIP: An OralHeme-Iron Product, Nutr Res 2000; 20(9): 1279-86

2.  Ekman M, Reizenstein P. Comparative absorption of ferrous and heme-iron with meals in normal and iron deficient subjects. Z Ernährungswiss. 1993;32:67-70.

3.  Eskeland B, Maltersud K, Uluik RJ, Hunskaar S. Iron supplementation in pregnancy: is less enough? A randomized, placebo-controlled trial of low dose iron supplementation with and without heme iron. Acta Obstet Gynecol Scand. 1997; 76-822-828.

4.  Hallberg L. Iron requirements and bioavailability of dietary iron. Experientia Suppl. 1983;44:223-244.

5.  Grasbeck et al., 1982; Galbraith et al., 1985.

6.  http://www.mayoclinic.com/health/iron-deficiency-anemia/ds00323

7.  http://www.mayoclinic.com/health/iron-deficiency-anemia/DS00323/DSECTION=risk-factors

8.  Frykman, E., et al, Side effects of iron supplements in blood donors: Superior tolerance of heme iron, J Lab Clin Med 1994; 123(4):561-4

9.  Gordeuk, V., et al, Carbonyl Iron Therapy for Iron Deficient Anemia, Blood 1986; 67(3):745-52

10.  http://www.mayoclinic.com/health/anemia/DS00321/DSECTION=tests-and-diagnosis