00327nas a2200121   4500000000100000008004100001100001500042700001700057245010400074300001400178490000700192050000600199       2009                            d1 aFransen M.1 aMcConnell S.00aLand-based exercise for osteoarthritis of the knee: a meta-analysis of randomised controlled trials  a1109-17. 0 v36  aY