TY - JOUR AU - Smeets R. AU - van Soest M. BT - Disability and Rehabilitation CN - Y LA - eng LB - MS M1 - 24 N1 - AR10 - 2nd qtr PY - 2009 SP - 1988 EP - 95. T2 - Disability and Rehabilitation TI - The usability of a modified Astrand bicycle test to assess the aerobic capacity in patients with musculoskeletal pain and healthy controls VL - 31 ER -