Shahzad, T. ., N. S. . Khan, U. . Khan, S. . Naz, H. A. . Khan, and M. . Saleem. “Role of Critical View of Safety in Laparoscopic Cholecystectomy”. Pakistan Journal of Medical & Health Sciences, vol. 16, no. 02, Mar. 2022, p. 372, doi:10.53350/pjmhs22162372.