Mahmoud Genidy, A., L. Hamzeh Hamzeh, D. Mohammad AbuHawas, M. Karam Allah Elkholy, M. Abdelhalim, O. Hussein Alwi Bin-Sahel, S. Farooq Dar, and J. Mahmood. “Efficacy and Safety of Peroral Endoscopic Myotomy (POEM) for Achalasia in Post-Bariatric Surgery Patients: A Systematic Review and Meta-Analysis”. Journal of Gastrointestinal and Liver Diseases, vol. 35, no. 3, Aug. 2026, pp. 421-34, doi:10.15403/jgld-6743.