Molanezhadian SL, Ameri Z, Genaveh Safari Zadeh E, Daram M, Bonyadi F, Jaafarzadeh Dashti M. A Structural Model of Irritable Bowel Syndrome Symptom Severity Based on Perceived Stress: The Mediating Roles of Visceral Anxiety, Negative Symptom Expectations, and Interoceptive Dysfunction. Int J Body Mind Cult. :Article e2026–1514.