Samutchaikij, Thitinant, and Suntaree Khongsawad. 2023. “Factor Associated with the Successful Prevention of Preterm Birth in Singleton Pregnant Women with a History of Spontaneous Preterm Birth or Incompetent Cervix”. Srinagarind Medical Journal 38 (1):1-9. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/254543.