Hegazy, T., M. Salman, A. Kandeel, Maher, A, and M. Abugabal,  "Assessment of Gastric Emptying in Sleeve Gastrectomy in Comparison to Hybrid (Adding a Gastrojejunostomy to the Sleeved Stomach): A Randomized Study",  Bariatric Surgical Practice and Patient Care , vol. 14, issue 1, pp. 12-16, 2019.