Jaffri SHZ. Impact of Exclusive Breastfeeding on Vitamin D Status in Children Under Five in Karachi: Breastfeeding and Vitamin D Status in Karachi Children. JoWaCH [Internet]. 2025 Mar. 31 [cited 2026 Feb. 23];2(1):6-11. Available from: https://www.jowach.com/software/index.php/js/article/view/48