Kosallavat, S., Janpoom, N., Nakrungsri, N., Chaijunda, T., Jitjak, T., Somsook, P., Tiansuwan, N., Chaiear, N., Boonjaraspinyo, S., & Wortong, D. (2015). The Proportion of Preoperative Patients Who Had an Anxiety: A Study in a University Hospital in Thailand. Srinagarind Medical Journal, 30(5), 92. Retrieved from https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/40251