Saeid M, Taher M, Vahedi H, Hosseinkhanzadeh AA. Structural Modeling of Functional Disability Severity Based on Health-Promoting Lifestyle and Distress Tolerance: The Mediating Role of Ego Strength in Patients with Functional Gastrointestinal Disorders. HN [Internet]. 2026 June 1 [cited 2026 Sept. 7];4(2):1-15. Available from: https://www.journals.kmanpub.com/index.php/Health-Nexus/article/view/5948