00430nas a2200169   4500000000100000008004100001100001600042700001700058700001600075700001700091700001300108700002100121245009300142300001100235490000800246050000600254       2009                            d1 aFerreira P.1 aRefshauge K.1 aHerbert Rob1 aLatimer Jane1 aMaher C.1 aFerreira Manuela00aRelationship between spinal stiffness and outcome in patients with chronic low back pain  a61-7. 0 v14   aY