20200206092400.0 Skull base surgery. http://bibpurl.oclc.org/web/11453 http://firstsearch.oclc.org/journal=1052-1453;screen=info;ECOIP Skull base surgery New York (State) 1052-1453 http://pubmedcentral.com/tocrender.fcgi?journal=223 http://www.thieme-connect.com/BASScgi/4?FID=Start&URL=JournalTOC&Level=Journal&JournalKey=87&Sprache=EN Skull base surgery 1052-1453 1052-1453 1052-1453 1052-1453 Skull base surgery.