00424nas a2200133   4500000000100000008004100001100005200042700001600094700001500110700001500125245013100140300001100271490000800282       2000                            d1 aPROGRESS Management Committee Writing Committee1 aChalmers J.1 aNeal Bruce1 aMacmahon S00aProgress (Perindopril Protection Against Recurrent Stroke Study): regional characteristics of the study population at baseline  aS13-190 v18