TY - JOUR AU - Takakura, Y AU - Tamai, S AU - Masuhara, K DO - doi:10.1302/0301-620X.68B5.3782257 UR - https://doi.org/10.1302/0301-620X.68B5.3782257 TI - Genesis of the ball-and-socket ankle T2 - The Journal of Bone & Joint Surgery British Volume VL - 68-B IS - 5 PY - 1986 SP - 834 EP - 837 ER -