Taneepanichskul, S., N. Aumkul, and V. Niyomwan. “A Survey Contraceptive Practice in Thai Female HIV-I Positive Prostitutes”. Thai Journal of Obstetrics and Gynaecology, vol. 8, no. 4, Dec. 1996, pp. 325-31, https://he02.tci-thaijo.org/index.php/tjog/article/view/92605.