00425nas a2200145   4500000000100000008004100001100001900042700001300061700001100074700001000085700001300095700002100108245010700129250004300236       2013                            d1 aTiedemann Anne1 aPaeck T.1 aSun C.1 aLin C1 aMaher C.1 aFerreira Manuela00aAre older adults missing from low back pain clinical trials? – A systematic review and meta-analysis  a10 December 2013 [Epub ahead of print]