Low-dose β-carotene Supplementation and Deworming Improve Serum Vitamin A and β-carotene Concentrations in Preschool Children of Bangladesh. J Health Popul Nutr [Internet]. 2010 Jul. 21 [cited 2026 Jun. 25];28(3):230-7. Available from: https://banglajol.info/index.php/JHPN/article/view/5549