Asif Shams, Sheikh Qais Falah, Aftab Alam, Iram Bashir. “Comparison of Outcome Between Drain and No Drain After Elective Laparoscopic Cholecystectomy”. Pakistan Journal of Medical & Health Sciences, vol. 16, no. 07, July 2022, p. 8, doi:10.53350/pjmhs221678.