1.
Niyomyam P, Charoenvidhya D, Uerpairojkit B. Uterocervical Angle Measurement for Prediction Spontaneous Preterm Birth in Twin Pregnancy. Thai J Obstet Gynaecol [internet]. 2022 Aug. 30 [cited 2026 Sep. 28];30(5):362-8. available from: https://he02.tci-thaijo.org/index.php/tjog/article/view/254748