Argon plasma coagulation OR Endoscopic suturing OR
Surgery OR Weight regain OR Bariatric surgery
AND
PubMed
Randomized controlled trials OR Prospective OR
Retrospective studies OR Case series OR Consensus
Development Conference OR Consensus Development Conference
(NIH) Aest
NOT
PubMed
Meta-analysis OR Reviews OR Systematic
review OR Editorial OR Letter to the editor
OR Brief comments