Fig. 1From: Gastroesophageal reflux disease in a typical African population: a symptom-based multicenter studyOverlap of GERD with dyspepsia and Irritable bowel syndrome. GERD: Gastroesophageal reflux disease. PDS: Postprandial distress syndrome. EPS: Epigastric pain syndrome. IBS: Irritable bowel syndromeBack to article page