Behörden und Ministerien   Bayerisches Staatsministerium für Gesundheit
     Bundesministerium für Gesundheit (A)
     Bundesamt für Gesundheit (CH)
     Bundesministerium für Ernährung (D)
     Centers for Disease Control and Prevention (CDC)
      Food and Drug Administration (FDA): folic acid fortification
     National Health and Nutrition Examination Survey (USA)
    National Institutes of Health (NIH)
K   NIH Dietary Supplement Fact Sheet
    Public Health Agency of Canada: folic acid and pregancy
    Vereinte Nationen (UN): Standing Committee on Nutrition
    World Health Organization (WHO)
    World Health Organization (WHO)/Europa
    WHO: Food and Health in Europe
    WHO: Guidelines on Food Fortification (Micronutrients)
    WHO: Protein and Amino Acid Requirements
    WHO: Vitamin and Mineral Requirements (2004)