title: Letter: Metiamide and the lower esophageal sphincter.
mesh_terms: D000818:Animals; D004947:Esophagus / Q000187:drug effects*; D000882:Haplorhini; D008785:Metiamide / Q000494:pharmacology*; D009130:Muscle, Smooth / Q000187:drug effects*; D009893:Opossums / Q000502:physiology*; D013890:Thiourea / Q000031:analogs & derivatives*
chemical_list: D008785:Metiamide; D013890:Thiourea