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  1. Vitamin D for babies: Are supplements needed? - Mayo Clinic

  2. Vitamins and Minerals | Infant and Toddler Nutrition | CDC

  3. Does My Infant Need Vitamin D Drops? - Cleveland Clinic Health …

  4. Vitamin D Supplementation in Infants, Children, and Adolescents

  5. Vitamin D Supplementation for Infants - World Health Organization

  6. Where We Stand: Vitamin D & Iron Supplements for Babies

  7. Vitamin D for Babies — How to Make Sure Newborns Get Enough

  8. Vitamin D Supplements: What Parents Should Know

  9. Vitamin D for Infants and Kids – Children's Health

  10. Vitamin D for Babies, Children & Adolescents