00519nas a2200217   4500000000100000008004100001260001700042653001700059653001300076100001500089700001100104700003300115700001400148700001600162700001400178700001600192700001500208245006100223300001000284490000700294       2003                            d  c17977602207910aHypertension10aPROGRESS1 aTzourio C.1 aFox K.1 aPROGRESS Collaborative Group1 aDonnan G.1 aAdams H. Jr1 aMancia G.1 aChalmers J.1 aMacmahon S00aClinical implications of PROGRESS: questions and answers  aS21-40 v21