Thongpoonpun, S., and T. Siwadul. “A Retrospective Study of Anti-HIV Seropositive Adolescent Parturients in Chonburi Hospital During 2001- 2006”. Thai Journal of Obstetrics and Gynaecology, vol. 16, no. 2, Apr. 2017, pp. 87-96, https://he02.tci-thaijo.org/index.php/tjog/article/view/82271.