Tonghui, S., L. Kitrungrote, and V. Chittitavorn. “Chronic post thoracotomy pain experience, and pain management among patients after discharge: a cross-sectional study”. Thai Journal of Cardio-Thoracic Nursing, vol. 34, no. 2, Jan. 2024, pp. 18-30, https://he02.tci-thaijo.org/index.php/journalthaicvtnurse/article/view/261690.