Phungan, Y., and S. Panya. “Mortality Rate of Ventilator-Associated Pneumonia among Critically Ill COVID-19 Patients at Maharat Nakhon Ratchasima Hospital”. Journal of the Office of Disease Prevention and Control 9 Nakhon Ratchasima, vol. 32, no. 2, Aug. 2026, pp. 84-94, https://he02.tci-thaijo.org/index.php/ODPC9/article/view/273488.