Noknu R, Sangkeaw S, Kasoh K, Sanguanchua S. Development and Internal Validation of Prediction Model on Delivery within 7 Days for Spontaneous Late Preterm Labor in Pregnancy: A retrospective cohort study. Thai J Obstet Gynaecol [internet]. 2025 Jul. 23 [cited 2026 Sep. 28];33(4):293-30. available from: https://he02.tci-thaijo.org/index.php/tjog/article/view/271400