00365nas a2200121   4500000000100000008004100001100001400042700001700056245014300073300001400216490000700230050000600237       2009                            d1 aSmeets R.1 avan Soest M.00aThe usability of a modified Astrand bicycle test to assess the aerobic capacity in patients with musculoskeletal pain and healthy controls  a1988-95. 0 v31  aY