00446nas a2200169   4500000000100000008004100001260002200042100002000064700001700084700000900101700001200110700001600122700001400138700001300152245010400165300000700269       2014                            d  aSao Paulo, Brazil1 aSteffens Daniel1 aLatimer Jane1 aLi Q1 aKoes BW1 aML Ferreira1 aPereira L1 aMaher C.00aCould the weather trigger an episode of acute low back pain? A case cross-over study  [proceedings]  a81