Kemthong, Walairat. 2017. “Prevalence of Antenatal Mental Health Problems of Pregnant Women Living in Thai Myanmar Border Area, Umphang Hospital, Thailand”. Thai Journal of Obstetrics and Gynaecology 19 (2). Bangkok, Thailand:51-57. https://he02.tci-thaijo.org/index.php/tjog/article/view/1251.