TY - JOUR AU - Yiannakopoulos, C. K. AU - Mataragas, E. AU - Antonogiannakis, E. DO - doi:10.1302/0301-620X.90B7.20111 UR - https://doi.org/10.1302/0301-620X.90B7.20111 TI - The effect of quadriceps contraction during weight-bearing on four patellar height indices T2 - The Journal of Bone & Joint Surgery British Volume VL - 90-B IS - 7 PY - 2008 SP - 870 EP - 873 ER -