Muhammad Azhar, Sadia, Syed Arif Hussain, Masab Niaz, Tallal Ghazanfar, Usman Ahmad 2024. Incidence of Post-Operative Pain and Vomiting after Elective Laparoscopic Cholecystectomy with Per-Operative High Versus Low Intra-Abdominal Pressure of Carbon Dioxide (CO2). Pakistan Journal of Medical & Health Sciences. 18, 01 (Jan. 2024), 99. DOI:https://doi.org/10.53350/pjmhs0202418199.