1.
Hossain HT, Islam QT, Khandaker MAK, Ahasan HN. Study of Serum Vitamin D Level in Different Socio-Demographic Population - A Pilot Study. J. Medicine [Internet]. 2017 Dec. 7 [cited 2021 Dec. 4];19(1):22-9. Available from: https://www.banglajol.info/index.php/JOM/article/view/34836