title: Idiopathic megaesophagus in the dog: reasons for spontaneous improvement and a possible method of medical therapy.
mesh_terms: D000818:Animals; D004283:Dog Diseases / Q000151:congenital* / Q000188:drug therapy; D004285:Dogs; D004947:Esophagus / Q000002:abnormalities*; D005260:Female; D008297:Male