title: [A very rare cause of a deglutition disorder: achalasia of the cricopharyngeal muscle].
mesh_terms: D003413:Cricoid Cartilage / Q000503:physiopathology*; D003680:Deglutition Disorders / Q000209:etiology*; D004931:Esophageal Achalasia / Q000150:complications*; D005260:Female; D006801:Humans; D007223:Infant; D007817:Laryngeal Cartilages / Q000503:physiopathology*; D009132:Muscles / Q000503:physiopathology*; D010609:Pharyngeal Muscles / Q000503:physiopathology*
vernacular_title: Una causa rarissima di turba della deglutizione: l'acalasia del muscolo cricofaringeo.