MUKDEE, C.; SUNTHARASAJ, T.; PETPICHETCHIAN, C. Prediction of Successful Normal Vaginal Delivery by Ultrasonographic Measurement of Occiput-spine Angle during First Stage of Labor. Thai Journal of Obstetrics and Gynaecology, Bangkok, Thailand, v. 29, n. 5, p. 288–297, 2021. DOI: 10.14456/tjog.2021.34. Disponível em: https://he02.tci-thaijo.org/index.php/tjog/article/view/185794. Acesso em: 1 oct. 2026.