Abbas, Kazim, and Shovkat Mir Ahmad. “Outcomes Following Thoracic Surgery: The Role of Preoperative Chlorhexidine Mouthwash in the Prevention of Post-Operative Pneumonia”. International Surgery Journal 3, no. 2 (December 8, 2016): 921–926. Accessed February 20, 2026. https://www.ijsurgery.com/index.php/isj/article/view/210.