Phetreun น. “Nursing Care for Patients With Comorbidities Who Underwent Laparoscopic Cholecystectomy under General Anaesthesia: Case Study Research”. Journal of Nursing and Health Sciences, vol. 15, no. 3, Dec. 2021, pp. 129-3, https://he01.tci-thaijo.org/index.php/NurseNu/article/view/252542.