title: [Primary megaesophagus in the adult. Apropos of 50 cases].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D004931:Esophageal Achalasia / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Le mégaoesophage primitif chez l'adulte. A propos de 50 cas.