3.4 EFFECT OF VITAMIN D SUPPLEMENTATION ON AORTIC STIFFNESS AND CENTRAL HAEMODYNAMICS IN OLDER INDIVIDUALS WITH VITAMIN D DEFICIENCY: PROMISING OBSERVATIONAL DATA IS NOT SUPPORTED WHEN TESTED BY DOUBLE-BLIND, PLACEBO-CONTROLLED, RANDOMISED TRIAL DESIGN - P. Veloudi; C. Ding; L. Blizzard; G. Jones; F. Cicuttini; A. Wluka; T. Winzenberg; J. Sharman (Artery Research, 2014)