Efficacy and Safety of Diaphragmatic Breathing Exercises for Gastroesophageal Reflux Disease: A Systematic Review and Meta-Analysis. - Abureesh, Omar; Qaqish, Faris; Abu-Shaban, Mohammad; Lahoud, Chloe; Habib, Toni; Sleiman, Joelle; Moussa, Elie; El Douaihy, Youssef; Chalhoub, Jean; Andrawes, Sherif (Journal of Clinical Medicine, 2026)