Piamanan, Prasan, Waratsuda Samuthtai, Phichitra Janjenjob, Apiradee Sanlee, Punchita Chamnankitvanit, Wasan Lukkraisorn, Nattikarn Meelarp, and Parinya Tianwibool. 2025. “Impact of transportation by Helicopter Emergency Medical Services (HEMS) to 24-hours mortality in severe traumatic brain injury”. Journal of Nakornping Hospital 16 (1):108-20. https://he01.tci-thaijo.org/index.php/jnkp/article/view/272520.