O-Prasertsawat, Pratak, Sompol Pongthai, and Kosol Tangutai. 1997. “Factors Associated with Sexual Dysfunctions during Pregnancy”. Thai Journal of Obstetrics and Gynaecology 9 (2). Bangkok, Thailand:103-8. https://he02.tci-thaijo.org/index.php/tjog/article/view/257266.