00523nas a2200205   4500000000100000008004100001100001500042700001400057700001600071700001800087700001300105700001600118700001400134700001200148700001300160700001300173245010200186250002100288490000800309       2013                            d1 aHancock M.1 aOstelo R.1 aHenschke N.1 avan Tulder M.1 aIrwig L.1 aWilliams C.1 aDownie A.1 aKoes B.1 adeVet H.1 aMaher C.00aRed flags to screen for malignancy and fracture in patients with low back pain: systematic review  a11 December 20130 v347