00310nas a2200121   4500000000100000008004100001100001500042700001000057700001200067700001800079245007800097300001300175       2012                            d1 aMachado L.1 aLin C1 aClare H1 avan Tulder MW00aThe McKenzie method for (sub)acute non-specific low-back pain (protocol).  aCD009711