NIYOMYAM, P.; CHAROENVIDHYA, D.; UERPAIROJKIT , B. Uterocervical Angle Measurement for Prediction Spontaneous Preterm Birth in Twin Pregnancy. Thai Journal of Obstetrics and Gynaecology, Bangkok, Thailand, v. 30, n. 5, p. 362–368, 2022. DOI: 10.14456/tjog.2022.42. Disponível em: https://he02.tci-thaijo.org/index.php/tjog/article/view/254748. Acesso em: 1 oct. 2026.