Tontapanit, Phatcha, Chatuporn Duangkum, Kusalaporn Chaiudomsom, Jadsada Thinkhamrop, Ratana Komwilaisak, and Pimwimon Wiangyos. 2022. “Prevalence and Associated Factors of Stress in Pregnancy”. Srinagarind Medical Journal 37 (6):588-95. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/255909.