Subject(s)

Humans , Infant, Newborn , Infant , Child, Preschool , Child , Adolescent , Vitamin D Deficiency/drug therapy , Vitamin D Deficiency/etiology , Dietary Supplements , Uruguay , Vitamin D

Subject(s)

Humans , Infant, Newborn , Infant , Child, Preschool , Child , Adolescent , Vitamin D Deficiency/etiology , Vitamin D Deficiency/drug therapy , Dietary Supplements , Uruguay , Vitamin D