title: [Intermediate stages in primary motor changes in the esophagus].
mesh_terms: D000328:Adult; D004931:Esophageal Achalasia / Q000503:physiopathology; D004935:Esophageal Diseases / Q000503:physiopathology*; D004943:Esophagogastric Junction / Q000503:physiopathology; D004947:Esophagus / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D008365:Manometry; D013035:Spasm / Q000503:physiopathology
vernacular_title: Estados intermedios en las alteraciones motoras primarias del esófago.