กิ่งข่อยกลาง แสงเดือน, and กาลเขว้า ประทีป. “The Epidemiological Characteristics and Factors Associated With Severe Symptoms in Patients With Pneumonia Admitted to Chumphae Hospital”. Journal of Health Science of Thailand 35, no. 5 (September 14, 2026): 843–856. Accessed September 20, 2026. https://www.thaidj.org/index.php/JHS/article/view/16989.