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  1. Iron - Wikipedia

  2. Iron | Element, Occurrence, Uses, Properties, & Compounds

  3. Iron deficiency anemia - Symptoms & causes - Mayo Clinic

  4. Iron | The Nutrition Source - Harvard T.H. Chan School of Public …

  5. 52 Foods High In Iron - Cleveland Clinic Health Essentials

  6. Iron - Health Professional Fact Sheet - Office of Dietary …

  7. Iron: Recommended intake, benefits, and food sources - Medical News Today

  8. Iron (Element) - Facts, History, Where It Is Found, How It Is Used ...

  9. Iron - Wikiwand

  10. Iron - Element information, properties and uses | Periodic Table