Bogar AM, Tangkilisan HA, Lestari H. Comparison of 25-hydroxyvitamin D levels in exclusively and non-exclusively breastfed infants. PI [Internet]. 2012Jun.30 [cited 2025Apr.19];52(3):157-60. Available from: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/383