title: [Progress in endonasal microsurgery of the paranasal sinuses].
authors.affiliation: ORL-Zentrum Klinik Hirslanden Witellikerstrasse 40 8029 Zürich Schweiz. simmen@orl-zentrum.com
authors.forename: D
authors.initials: D
authors.lastname: Simmen
mesh_terms: D019723:Endoscopes; D004867:Equipment Design; D006801:Humans; D008866:Microsurgery / Q000295:instrumentation*; D010254:Paranasal Sinus Diseases / Q000601:surgery*; D010255:Paranasal Sinus Neoplasms / Q000601:surgery*; D013523:Surgical Equipment; D020535:Video-Assisted Surgery / Q000295:instrumentation*