%0 Journal Article %T Anterior retropharyngeal fixation C1-2 for stabilization of atlantoaxial instabilities: study of feasibility, technical description and preliminary results %A Koller, Heiko %A Kammermeier, Volker %A Ulbricht, Dietmar %A Assuncao, Allan %A Karolus, Stefan %A Berg, Boris %A Holz, Ulrich %J European Spine Journal %V 15 %N 9 %P 1326-1338 %@ 0940-6719 %D 2006-09-01 %I Springer-Verlag %~ DeepDyve