title: Decreased lower esophageal sphincter pressure in children with symptoms of gastroesophageal reflux.
mesh_terms: D002648:Child; D004942:Esophagitis, Peptic / Q000503:physiopathology; D004943:Esophagogastric Junction / Q000503:physiopathology*; D005764:Gastroesophageal Reflux / Q000503:physiopathology* / Q000628:therapy; D006551:Hernia, Hiatal / Q000150:complications; D006801:Humans; D008365:Manometry; D011312:Pressure