Nahar, Nargis, and Liza Chowdhury. “Nomogram of Nasal Bone Length in Euploid Fetus at 18-22 Weeks of Gestation in Bangladeshi Population”. Journal of Armed Forces Medical College, Bangladesh 18, no. 1 (October 16, 2022): 48–50. Accessed June 24, 2024. https://www.banglajol.info/index.php/JAFMC/article/view/61258.