อัครเสวี ภ, พิทยาวงศ์อานนท์ จ, สฤษดิ์อภิรักษ์ น. Threshold level of Influenza-Like-Illness (ILI) as the early warning signal for seasonal influenza and early detection of outbreak in clusters, Thailand. Dis Control J [Internet]. 2014 Dec. 31 [cited 2024 May 22];40(4):341-8. Available from: https://he01.tci-thaijo.org/index.php/DCJ/article/view/154263