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Newhook, Leigh A., Scott Sloka, Marie Grant, Edward Randell, Christopher S. Kovacs, and Laurie K. Twells. "Vitamin D Insufficiency Common in Newborns, Children and Pregnant Women Living in Newfoundland and Labrador, Canada." Matern Child Nutr 2008.

Newhook, Leigh A., et al. "Vitamin D Insufficiency Common in Newborns, Children and Pregnant Women Living in Newfoundland and Labrador, Canada." Matern Child Nutr 2008.