Pongpattanawut, Chanrit. 2022. “Prevalence and Factors Correlated to Adverse Pregnancy Outcomes Among Maternal Syphilis at Krathumbaen Hospital Samut Sakhon Province”. Journal of The Department of Medical Services 46 (4):59-66. https://he02.tci-thaijo.org/index.php/JDMS/article/view/250996.