Tharavanich, S., V. Chandeying, S. Sutthijumroon, and S. Tungphaisal. “AIDS Antibodies Screening Test in High-Risk Population of Southern Thailand: Preliminary Report”. Thai Journal of Obstetrics and Gynaecology, vol. 1, no. 1, Jan. 1989, pp. 7-10, https://he02.tci-thaijo.org/index.php/tjog/article/view/257913.