Tantracheewathorn, Taweewong, Dussadee Duangmanee, and Supapan Tantracheewathorn. 2011. “Clinical Manifestations of Emerged Novel Influenza A (H1N1) Patients”. Vajira Medical Journal : Journal of Urban Medicine 54 (2):109-22. https://he02.tci-thaijo.org/index.php/VMED/article/view/440.