Thangdechahirun, Phasawee. “Accuracy of Neck Circumference in Predicting the Severity of Obstructive Sleep Apnea at Pranangklao Hospital”. Journal of Preventive Medicine Association of Thailand 14, no. 3 (December 26, 2024): 458–471. accessed April 2, 2025. https://he01.tci-thaijo.org/index.php/JPMAT/article/view/271968.