《Prevalence of Vitamin D Deficiency and Insufficiency Across Trimesters of Pregnancy in Maiduguri, Nigeria: A Cross-Sectional Study》, AJBR, 卷 24, 期 1, 页 53–57, 1月 2021, 见于: 2026年4月5日. [在线]. 载于: https://ojshostng.com/index.php/ajbr/article/view/1689