DOI 10.1378/chest.108.2_Supplement.63S 1995;108;63S-69S Chest Alice Cushing Steven Q. Simpson, Paul W. Jones, Peter D.O. Davies and Social Impact of Respiratory Infections S.citation http://chestjournal.chestpubs.org/content/108/2_Supplement/63 and services can be found online on the World Wide Web at: The online version of this article, along with updated information ISSN:0012-3692 ) http://chestjournal.chestpubs.org/site/misc/reprints.xhtml ( copyright holder. distributed without the prior written permission of the reserved. No part of this article or PDF may be reproduced or 3300 Dundee Road, Northbrook, IL 60062. All rights Copyright1995by the American College of Chest Physicians, Physicians. It has been published monthly since 1935. is the official journal of the American College of Chest Chest 1995 BY THE AMERICAN COLLEGE OF CHEST PHYSICIANS by guest on April 12, 2012 chestjournal.chestpubs.org Downloaded from