%0 Journal Article %T Two-Port Endoscopy of the Middle Ear %A Tschabitscher, Manfred %A Klug, Clemens %J JAMA Otolaryngology–Head & Neck Surgery %V 125 %N 4 %P 433-437 %@ 2168-6181 %D 1999-04-01 %I American Medical Association %~ DeepDyve