DOI: 10.1055/s-00000031

Klinische Monatsblätter für Augenheilkunde

References

McLean E, Cogswell M, Egli I. et al.
Worldwide prevalence of anaemia, WHO Vitamin and Mineral Nutrition Information System, 1993–2005.

Public Health Nutr 2009;
12: 444-454

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