title: Pyloric incompetence in patients with symptomatic gastroesophageal reflux.
mesh_terms: D000328:Adult; D000368:Aged; D001647:Bile Acids and Salts / Q000032:analysis; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000032:analysis; D005764:Gastroesophageal Reflux / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011092:Polyethylene Glycols / Q000032:analysis; D011708:Pylorus / Q000503:physiopathology*; D013997:Time Factors
chemical_list: D001647:Bile Acids and Salts; D011092:Polyethylene Glycols