%0 Journal Article %A M. Leunig %A K. Mladenov %A A.A. Jamali %A D.C. Meyer %A A. Martinez %A M. Beck %A R. Ganz %T ANTEROPOSTERIOR PELVIC RADIOGRAPHS TO ASSESS ACETABULAR RETROVERSION: HIGH VALIDITY OF THE “CROSS-OVER-SIGN” %D 2009 %J Orthopaedic Proceedings %P 64-64 %V 91-B %N SUPP_I %R 10.1302/0301-620X.91BSUPP_I.0910064b %U https://doi.org/10.1302/0301-620X.91BSUPP_I.0910064b %K