Endoscopic medial maxillectomy with preservation of inferior turbinate: how do we do it? - Gras-Cabrerizo, J R; Massegur-Solench, H; Pujol-Olmo, A; Montserrat-Gili, J R; Ademá-Alcover, J M; Zarraonandia-Andraca, I (Eur Arch Otorhinolaryngol, 2011)