title: Excessive gas: patient perception vs reality.
mesh_terms: D000328:Adult; D050260:Carbohydrate Metabolism; D003109:Colonic Diseases, Functional / Q000503:physiopathology* / Q000628:therapy; D004884:Eructation / Q000503:physiopathology* / Q000628:therapy; D005260:Female; D005414:Flatulence / Q000503:physiopathology / Q000628:therapy; D005740:Gases; D006801:Humans; D007422:Intestines / Q000502:physiology*; D008286:Malabsorption Syndromes / Q000503:physiopathology; D008297:Male; D010146:Pain / Q000523:psychology; D010465:Perception / Q000502:physiology
chemical_list: D005740:Gases