Effects of Vitamin D on Blood Pressure, Arterial Stiffness, and Cardiac Function in Older People After 1 Year: BEST‐D (Biochemical Efficacy and Safety Trial of Vitamin D) oleh Joseph Tomson, Harold Hin, Jonathan Emberson, Rijo Kurien, Michael Lay, Jolyon Cox, Michael Hill, Linda Arnold, Paul Leeson, Jane Armitage, Robert Clarke