00350nas a2200145   4500000000100000008004100001260001700042653001200059653001500071100001300086245007700099300001400176490000800190050000600198       2005                            d  c12956889707510aChecked10aCommentary1 aMaher C.00aClinical prediction rule for return to work after back pain (commentary)  a1575-15760 v172  aN