Prevalence and Determinants of Vitamin D Deficiency during the First Trimester: Evidence from a Major Metropolitan City in Bangladesh. Journal of Shaheed Suhrawardy Medical College, [S. l.], v. 15, n. 1, p. 39–44, 2024. DOI: 10.3329/jssmc.v15i1.76891. Disponível em: https://www.banglajol.info/index.php/JSSMC/article/view/76891. Acesso em: 30 jun. 2026.