Alobaid, O. M., A. S. Alzahrani, and B. I. Ali. “Acute Paraoesophageal Hiatal Hernia Following Laparoscopic Sleeve Gastrectomy”. International Surgery Journal, vol. 7, no. 12, Nov. 2020, pp. 4177-9, doi:10.18203/2349-2902.isj20205378.