CHANPRAPAPH, P.; WANAPIRAK, C.; TONGSONG, T. Umbilical Artery Doppler Waveform Indices in Normal Pregnancies. Thai Journal of Obstetrics and Gynaecology, Bangkok, Thailand, v. 12, n. 2, p. 103–107, 2017. Disponível em: https://he02.tci-thaijo.org/index.php/tjog/article/view/97027. Acesso em: 1 oct. 2026.