TY - JOUR AU - Robertson, N. B. AU - Battenberg, A. K. AU - Kertzner, M. AU - Schmalzried, T. P. DO - doi:10.1302/0301-620X.98B1.36438 UR - https://doi.org/10.1302/0301-620X.98B1.36438 TI - Defining high activity in arthroplasty patients T2 - The Bone & Joint Journal VL - 98-B IS - 1_Supple_A PY - 2016 SP - 95 EP - 97 ER -