Clinical Science (2003) 104, (367368) (Printed in Great Britain)
Letter
Evaluation of methods to measure endothelium-dependent vasodilation
John R. COCKCROFT* and Ian B. WILKINSON
*Department of Cardiology, Wales Heart Research Institute, University Hospital, Cardiff CF14 4XN, U.K., and Department of Clinical Pharmacology, Addenbrooke's Hospital, Cambridge CB2 2QQ, U.K.