title: beta-Blocking drugs and the lower oesophageal sphincter.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology*; D004943:Esophagogastric Junction / Q000187:drug effects*; D006801:Humans; D011312:Pressure
chemical_list: D000319:Adrenergic beta-Antagonists