List of Articles gastrointestinal disorders Open Access Article Abstract Page Full-Text 1 - 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