JOHNCY, A.; ROHINI, G.; SHRI, L. NT scan: can it prevent second trimester MTP complications?. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 7, n. 6, p. 2497–2499, 2018. DOI: 10.18203/2320-1770.ijrcog20182375. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/4598. Acesso em: 14 oct. 2025.