1. From the Department of Physiology (S.B.H., A.K.), The University of Melbourne, Parkville, Victoria, Australia; the MRC Blood Pressure Unit (R.F., A.F.L.) and the Department of Medicine & Therapeutics (D.L.D.), Western Infirmary, Glasgow, UK; the Department of Medicine (A.D.C.), Royal Infirmary, Edinburgh, UK; the Northern Regional Health Authority (C.J.W.F.), Newcastle upon Tyne, UK; Duncan Guthrie Institute of Medical Genetics (J.M.C.), Yorkhill, Glasgow, UK; and the Department of Public...