title: [Some considerations about megaesophagus, the purpose of two operated cases].
authors.forename: M
authors.initials: M
authors.lastname: FRAZAO
authors.forename: A
authors.initials: A
authors.lastname: SALDANHA
mesh_terms: D004931:Esophageal Achalasia; D004947:Esophagus / Q000002:abnormalities*
keywords: ESOPHAGUS/abnormalities
vernacular_title: Algumas considerações sobre megaesófago; a propósito de dois casos operados.