Effects of upright posture on filtered QRS parameter of the signal-averaged electrocardiogram in healthy volunteers☆☆☆★★★
To access this article, please choose from the options below
☆ From the Department of Cardiological Sciences, St George's Hospital Medical School, London, U.K.
☆☆ Supported in part by a research grant from the Wellcome Trust (J.K.) and the research grant of the European Society of Cardiology (J.E.K.H.).
★ Reprint requests: Josef Kautzner, MD, Department of Cardiology, Institute for Clinical and Experimental Medicine, Vídenská 800, 140 00 Prague 4, Czech Republic.
★★ 4/1/86110
PII: S0002-8703(97)70018-8
© 1997 Mosby, Inc. All rights reserved.
