T. Ibrahim al-aubiadi, W. abdul H. Salman, and H. F. Azeez, “Laparoscopic cholecystectomy with harmonic scalpel”, JFacMedBagdad, vol. 58, no. 2, pp. 109–115, Jul. 2016, doi: 10.32007/jfacmedbagdad.582243.