Khan, Riaz Anwar, Nayyar Waseem, Jalal Khan, Parvez Mannan, Sohail Aslam, and Khalid Rehman. 2011. “The Effectiveness of Intra Operative Wound Infiltration With Long Acting Local Anaesthetic”. Journal of Postgraduate Medical Institute 16 (1). https://jpmi.org.pk/index.php/jpmi/article/view/749.