Prevention of cardiovascular events with an antihypertensive regimen of amlodipine adding perindopril as required versus atenolol adding bendroflumethiazide as required, in the Ang... by Dahlöf, B, Sever, PS, Poulter, NR, Wedel, H, Beevers, DG, Caulfield, M, Collins, R, Kjeldsen, SE, Kristinsson, A, McInnes, GT, Mehlsen, J, Nieminen, M, O'Brien, E, Ostergren, J