1. Hallberg L (1982) Iron nutrition and food iron fortification. Semin Hematol 19:31–41
2. Milman N, Heitmann BL, Lyhne N, Rosdahl N, Jensen KH, Graudal N (1993) Iron status in 1113 Danish men and women aged 35–65 years. Relation to dietary and supplemental iron intake. Scand J Nutr 37:98–103
3. Milman N, Kirchhoff M (1991) Iron stores in 1433, 30- to 60- year-old Danish males. Evaluation by serum ferritin and haemoglobin. Scand J Clin Lab Invest 51:635–641
4. Milman N, Kirchhoff M (1992) Iron stores in 1359, 30- to 60- year-old Danish women: evaluation by serum ferritin and hemoglobin. Ann Hematol 64:22–27
5. Milman N, Graudal N, Juul-Jørgensen B, Bentzon MW (1994) Calibration of the Amersham Ferritin RIA kit using the WHO human liver ferritin international standard 80/60. Eur J Clin Chem Clin Biochem 32:41–42