TY - GEN AU - Montori,A AU - Pietropaolo,V TI - [Endoscopic treatment of megaesophagus] SN - 0003-469X PY - 1991///0404 KW - Adult KW - Aged KW - Catheterization KW - Dilatation KW - Endoscopy KW - Esophageal Achalasia KW - surgery KW - Humans KW - Middle Aged N1 - Publication Type: Comparative Study; Journal Article ER -