%0 Journal Article %T Petrous Apex Cholesteatoma Developing After Radical Mastoidectomy %A Balıkçı, H.H. %A Özbay, İ. %A Özkul, H. %A Şalvız, M. %J European Archives of Medical Research %D 2015 %V 31 %P 170-173 %R 10.5222/otd.2015.1011