Jahan, Ishrat, Rummana Khair, Zohora Farhana Rehman, and Laila Razzaque. “A Study of Microscopic Abnormalities of Human Umbilical Cord”. IAHS Medical Journal 5, no. 1 (July 11, 2022): 91–93. Accessed October 1, 2025. https://www.banglajol.info/index.php/IAHSMJ/article/view/65970.