Dillruba NN, Barua S. Haemoglobin, Serum Ferritin and Serum-Mineral Levels of the Elderly People: A Comparison between Urban and Rural Community. Bangladesh J Nutrition [Internet]. 2014 Dec. 30 [cited 2025 Sep. 25];26(1):7-14. Available from: https://www.banglajol.info/index.php/BJNUT/article/view/69739