TY - GEN AU - Hamoir,M AU - Rombaux,P TI - [Zenker's diverticulum. External or endoscopic surgery?] SN - 0755-4982 PY - 1997///1110 KW - Endoscopy KW - Humans KW - Zenker Diverticulum KW - surgery N1 - Publication Type: Editorial; English Abstract ER -