CHOUDHURY, N.; SHARMA, B. K.; KANUNGO, B. K.; YADAV, R.; RAHMAN, H. Assessment of Doppler velocimetry versus nonstress test in antepartum surveillance of high risk pregnancy. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 6, n. 2, p. 663–670, 2017. DOI: 10.18203/2320-1770.ijrcog20170403. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/1725. Acesso em: 4 dec. 2025.