00421nas a2200169   4500000000100000008004100001100002200042700001700064700001600081700001300097700001500110700001500125700001300140245007800153300001200231490000800243       2009                            d1 aHenschke Nicholas1 aRefshauge K.1 aHerbert Rob1 aCosta L.1 aHancock M.1 aMcAuley J.1 aMaher C.00aPrognosis for patients with chronic low back pain: inception cohort study  ab3829. 0 v339