Pattamadilok, Sirima, Kanaungkid Prasittikhet, Paiboon Maneewong, and Suranga Saguanwongse. “Influenza Surveillance in Bangkok, 1983-1993”. Journal of Health Science of Thailand 3, no. 4 (December 26, 1994): 329–340. Accessed December 8, 2025. https://www.thaidj.org/index.php/JHS/article/view/6619.