關於「D&C Shoes」標籤，搜尋引擎有相關的訊息討論：

Vitamin D | The Nutrition Sourcewww.hsph.harvard.edu › The Nutrition SourceVitamin D - Health Professional Fact Sheetods.od.nih.gov › factsheets › VitaminD-HealthProfessionalVitamin D - Consumer - NIH Office of Dietary Supplementsods.od.nih.gov › factsheets › VitaminD-ConsumerV