How well can blood pressure be controlled? Progress report on the Systolic Hypertension in Europe Follow-Up Study (Syst-Eur 2) oleh Sarti Cinzia, Nachev Choudomir, Mantov Stefan, Laks Tovio, Leonetti Gastone, Kermova Rumjana, Fletcher Astrid E, Celis Hilde, Birkenhäger Willem H, Bulpitt Christopher J, Beleva Sonia, Staessen Jan A, Thijs Lutgarde, Tuomilehto Jaakko, Fagard Robert H