Prasad, C. S., R. Kunjukutty, and V. Krishnan. “Fetal absent/hypoplastic Nasal Bone: A Single Center Follow up Study from a Tertiary Referral Hospital in India”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 9, no. 11, Oct. 2020, pp. 4606-11, doi:10.18203/2320-1770.ijrcog20204819.