Lumbiganon, Pisake, Yupa Urwijitaroon, Pensri Kowsuwan, Pagakrong Lumbiganon, Manat Panamonta, and Tassanee Sookpranee. “Prevention of Vertical Transmission of Hepatitis B Virus A Randomized Clinical Trial and A Cost - Effectiveness Analysis”. Thai Journal of Obstetrics and Gynaecology 1, no. 2 (July 1, 1989): 123–127. accessed April 13, 2025. https://he02.tci-thaijo.org/index.php/tjog/article/view/257907.