biostudies-literatureUnknown26(1)Abdelsalam ACairo UniversityBMC surgery162https://www.ebi.ac.uk/biostudies/studies/S-EPMC12933895biostudies-literatureIncidence of marginal ulcer after one anastomosis gastric bypass versus Roux-en-Y gastric bypass: a comparative study.PMC12933895Mohamed Salah Eldden Othman Elansary AAbdelsalam AElsayed SFahmy ASaqr AfalseIncidence of marginal ulcer after one anastomosis gastric bypass versus Roux-en-Y gastric bypass: a comparative study.2026-01-01T00:00:00Z2026 Feb2026-07-10T03:18:14.184Z2026-07-10T03:11:43.611ZS-EPMC129338954171504810.1186/s12893-026-03559-y