Kiattiweerasak, Chotika, Sirirat Leelacharas, and Suporn Wongvatunyu. “Relationships of stress, anxiety, and related factors with the comfort of caregivers of patients with brain tumor in the preoperative phase”. Chulalongkorn Medical Journal 65, no. 4 (October 1, 2021). accessed April 8, 2025. https://he05.tci-thaijo.org/index.php/CMJ/article/view/164.