TY - JOUR AU - Pournaras, J AU - Symeonides, PP DO - doi:10.1302/0301-620X.73B3.1670469 UR - https://doi.org/10.1302/0301-620X.73B3.1670469 TI - Fracture of the head of a femoral prosthesis T2 - The Journal of Bone & Joint Surgery British Volume VL - 73-B IS - 3 PY - 1991 SP - 522 EP - 523 ER -