Afroz, Nadira, Mak Azad Chowdhury, Md Mahbubul Hoque, and Dilder Ahmed Khan. “Osteopenia in Premature Infants and Effect of Supplementation”. Bangladesh Journal of Child Health 39, no. 3 (February 13, 2017): 135–140. Accessed August 17, 2024. https://banglajol.info/index.php/BJCH/article/view/31578.