M. Q. Abdul Jabbar, R. S. Mukhtar, and M. A. Abbas, “Conversion of sleeve Gastrectomy to Roux-en-Y Gastric bypass for weight loss failure”, J Fac Med Baghdad, vol. 60, no. 1, pp. 5–8, Apr. 2018, doi: 10.32007/jfacmedbagdad.60131.