Khan, M. I., syed fahim shah, M. , and K. Iqbal. “RELIEF OF POST-TONSILLECTOMY PAIN BY TOPICAL APPLICATION OF BUPIVACAINE”. KHYBER MEDICAL UNIVERSITY JOURNAL, vol. 4, no. 4, Dec. 2012, pp. 183-6, https://www.kmuj.kmu.edu.pk/article/view/10879.