Goat's Milk, Plant-based Milk, Cow's Milk, and Serum 25-hydroxyvitamin D Levels in Early Childhood. Issue 4 (July 2016) - Lee, Grace J.; Birken, Catherine S.; Parkin, Patricia C.; Lebovic, Gerald; Chen, Yang; L'Abbe, Mary R.; Maguire, Jonathon L.; Maguire, Jonathon L.