Parlak, Mehmet Emin, Erdogan Oz, Osman Kucukkelepce, and Harun Yildiz. “Knowledge Levels of Mothers With 0-3 Years-Old Children about Vitamin D and Breast Milk”. Annals of Medical Research 30, no. 3 (March 24, 2023): 316–321. Accessed May 18, 2024. http://www.annalsmedres.org/index.php/aomr/article/view/4370.