TY - JOUR AU - Lipperts, Matthijs AU - Senden, Rachel AU - Van Asten, Wim AU - Heyligers, Ide AU - Grimm, Bernd DO - doi:10.1302/1358-992X.94BSUPP_XXXVII.EFORT2011-235 UR - https://doi.org/10.1302/1358-992X.94BSUPP_XXXVII.EFORT2011-235 TI - VALIDATION OF A LOW COST ACTIVITY MONITOR FOR ORTHOPAEDIC PATIENTS T2 - Orthopaedic Proceedings VL - 94-B IS - SUPP_XXXVII PY - 2012 SP - 235 EP - 235 ER -