TY - JOUR AU - Schmidt, CC AU - Gruen, GS DO - doi:10.1302/0301-620X.75B4.8331109 UR - https://doi.org/10.1302/0301-620X.75B4.8331109 TI - Non-extensile surgical approaches for two-column acetabular fractures T2 - The Journal of Bone & Joint Surgery British Volume VL - 75-B IS - 4 PY - 1993 SP - 556 EP - 561 ER -