00539nas a2200217   4500000000100000008004100001100001400042700001300056700001300069700001300082700001400095700001900109700001200128700001400140700001500154700001400169700001500183245010400198300001100302490000800313       2000                            d1 aWalker N.1 aClark T.1 aSchug S.1 aMcKee A.1 aKehlet H.1 avan Zundert A.1 aSage D.1 aFutter M.1 aSaville G.1 aRodgers A1 aMacmahon S00aRegional anaesthesia reduces perioperative mortality: results from an overview of randomised trials  a1493-70 v321