“Low-Dose β-Carotene Supplementation and Deworming Improve Serum Vitamin A and Β-Carotene Concentrations in Preschool Children of Bangladesh”. Journal of Health, Population and Nutrition 28, no. 3 (July 21, 2010): 230–237. Accessed June 25, 2026. https://banglajol.info/index.php/JHPN/article/view/5549.