List of Articles Gastrointestinal Disorders Open Access Article Abstract Page Full-Text 1 - Nocebo effect in irritable bowel syndrome patients: Overview of methodology Hamid Nasiri-Dehsorkhi Shahram Vaziri Ahmad Esmaillzadeh Peyman Adibi Open Access Article Abstract Page Full-Text 2 - The Prevalence of Helicobacter Pylori in Biopsy-Confirmed Dyspeptic Patients in Vali Asr Hospital in Qaemshahr in The Year 2018 Azam Navazesh Mahdi Emadi Pahandari Mostafa Oshriyeh Somayeh Vazifehkhah Sina Oshriyeh