00398nas a2200157   4500000000100000008004100001260003100042100001700073700001500090700001100105700001600116700001300132245008100145300000800226050000600234       2006                            d  aAmsterdam, The Netherlands1 aRefshauge K.1 aMcAuley J.1 aDas A.1 aHenschke N.1 aMaher C.00aLow back pain research priorities: the view of the primary care practitioner  a167  aN