Dashti Khavidaki G, Keykha A, Beirami F, Khoshfetrat M, Shirazian F. The effect of using pre-operative ketamine injection on post-tonsillectomy pain intensity in children. BMRAT [Internet]. 26Feb.2018 [cited 22Nov.2024];5(02):2013-21. Available from: http://bmrat.org/index.php/BMRAT/article/view/416