%0 Journal Article %T [Experiences with intertrochanteric varus osteotomy in Calvé-Legg-Perthes disease. Critical evaluation of early results using 20 roentgen series and therapeutic guidelines]. %A Hördegen KM %A Witt AN %J Arch Orthop Unfallchir %V 70 %N 4 %D 1971 %M 5568169 暂无%R 10.1007/BF00416453 %X