DOI 10.1378/chest.06-2108 2007;131;1068-1074 Chest Pasqua, Leonardo M. Fabbri and Enrico M. Clini Biscione, Francesca Americi, Sergio Penza, Erika Eutropio, Franco Ernesto Crisafulli, Stefania Costi, Francesco De Blasio, Gianluca * Receiving Oxygen Therapy Effects of a Walking Aid in COPD Patients http://chestjournal.chestpubs.org/content/131/4/1068.full.html services can be found online on the World Wide Web at: The online version of this article, along with updated information and ISSN:0012-3692 ) http://chestjournal.chestpubs.org/site/misc/reprints.xhtml ( written permission of the copyright holder. this article or PDF may be reproduced or distributed without the prior Dundee Road, Northbrook, IL 60062. All rights reserved. No part of Copyright2007by the American College of Chest Physicians, 3300 Physicians. It has been published monthly since 1935. is the official journal of the American College of Chest Chest © 2007 American College of Chest Physicians by guest on May 20, 2011 chestjournal.chestpubs.org Downloaded from