Laopakorn, Chatchai, Pimsai Kunakorn, and Petch Wacharasint. 2021. “Burnout syndrome among Thai intensivists and nurses in pre-COVID19 era : Burnout in pre-COVID19”. Clinical Critical Care 29 (December). Bangkok, Thailand:2021:e0009. https://he02.tci-thaijo.org/index.php/ccc/article/view/254181.