T. I. Al-aubaidi, A. A. Abid-AlKadhim, and K. R. Sbahi, “Laparoscopic subtotal cholecystectomy in patients with acute cholecystitis”, JFacMedBagdad, vol. 55, no. 4, pp. 302–307, Jan. 2014, doi: 10.32007/jfacmedbagdad.554568.