hypertension: results of long term double blind comparative trial

Medizinische Poliklinik, University of Munich, 8000 Munich 2, Federal Republic of Germany Heinrich Holzgreve, SAD, professor Medizinische Klinik and Poliklinik, Free University of Berlin, 1000 Berlin 45 Armin Distler, MD, director Institut fur Medizinische Statistik und Dokumentation, University of Mainz, 6500 Mainz Joerg Michaelis, MD, director Stefan Wellek, SCD, research fellow Medizinische Klinik and Poliklinik, University of Essen, 4300 Essen Thomas Philipp, MD, director