Evidence-based Medicine Toolkit

© 2002 BMJ Books© 2006 Carl Heneghan and Douglas BadenochPublished by Blackwell Publishing LtdBMJ Books is an imprint of the BMJ Publishing Group Limited, usedunder licenceBlackwell Publishing, Inc., 350 Main Street, Malden, Massachusetts02148-5020, USABlackwell Publishing Ltd, 9600 Garsington Road, Oxford OX4 2DQ, UKBlackwell Publishing Asia Pty Ltd, 550 Swanston Street, Carlton, Victoria3053, AustraliaThe right of the Authors to be identified as the Authors of this Work has beenasserted in accordance with the Copyright, Designs and Patents Act 1988.All rights reserved. No part of this publication may be reproduced, stored ina retrieval system, or transmitted, in any form or by any means, electronic,mechanical, photocopying, recording or otherwise, except as permittedby the UK Copyright, Designs and Patents Act 1988, without the priorpermission of the publisher.First published 2002Second edition 20061 2006A catalogue record for this title is available from the British Library and theLibrary of CongressISBN-13: 978-0-7279-1841-3ISBN-10: 0-7279-1841-9Set in 8.25/10 pt Frutiger by Sparks, Oxford – www.sparks.co.ukPrinted and bound in India by Replika Press Pvt. Ltd, HarayanaFor further information on Blackwell Publishing, visit our website:http://www.blackwellpublishing.comThe publisher’s policy is to use permanent paper from mills that operatea sustainable forestry policy, and which has been manufactured frompulp processed using acid-free and elementary chlorine-free practices.Furthermore, the publisher ensures that the text paper and cover board usedhave met acceptable environmental accreditation standards.