00333nas a2200133   4500000000100000008004100001100001500042700001000057700001200067700001800079700001400097245007500111300001300186       2012                            d1 aMachado L.1 aLin C1 aClare H1 avan Tulder MW1 aHayden JA00aThe McKenzie method for chronic non-specific low-back pain (protocol).  aCD009712