00462nas a2200169   4500000000100000008004100001100002200042700001700064700001600081700001500097700001500112700001300127245012500140300001400265490000700279050000600286       2009                            d1 aHenschke Nicholas1 aRefshauge K.1 aHerbert Rob1 aBleasel J.1 aCumming R.1 aMaher C.00aPrevalence of and screening for serious spinal pathology in patients presenting to primary care with acute low back pain  a3072-80. 0 v60  aY