title: Effect of vitamin D supplements on calcium absorption in children.
mesh_terms: D002118:Calcium / Q000378:metabolism*; D002675:Child, Preschool; D006801:Humans; D007408:Intestinal Absorption / Q000187:drug effects; D014807:Vitamin D / Q000627:therapeutic use*
chemical_list: D014807:Vitamin D; D002118:Calcium