A. H. Khan, “Assessment of Serum Vitamin D level in 3rd Trimester Primigravidas and its association with Education, Economic Status and Body Mass Index”, Int J Pathol, vol. 18, no. 1, pp. 11–14, Oct. 2020, Accessed: Nov. 25, 2024. [Online]. Available: https://jpathology.com/index.php/OJS/article/view/546