00340nas a2200121   4500000000100000008004100001100001300042700001000055700001700065245011500082300001400197490000700211       2010                            d1 aSmeets R1 aLin C1 aAndersson EI00aPerformance tests in people with chronic low back pain: responsiveness and minimal clinically important change  aE1559-63.0 v35