00524nas a2200217   4500000000100000000000100001008004100002100001200043700001700055700001300072700001700085700001700102700001600119700001300135700001300148700001500161700001400176245010100190300000800291490000700299       2017                            d1 aS. Weir1 aM. Samnaliev1 aT-C. Kuo1 aC.N. Choitir1 aT.S. Tierney1 aR.S. Taylor1 aA. Manca1 aJ. Bruce1 aD. Cumming1 aS. Eldabe00aDoes instrumented spinal surgery have an increased rate of persistent post-operative pain (PPP)?  aS110 v17