How to Read a Paper - The Basics of Evidence Based Medicine 2nd ed. - T. Greenhalgh (BMJ, 2001) WW.pdf

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HOW TO READ
A PAPER
The basics of evidence
based medicine
Trisha Greenhalgh
BMJ Books
HOW TO READ A PAPER
2003.3.7
huangzhiman
For www.dnathink.org
HOW TO READ A PAPER
The basics of evidence based medicine
Second edition
TRISHA GREENHALGH
Department of Primary Care and Population Sciences
Royal Free and University College Medical School
London, UK
© BMJ Books 2001
All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system, or transmitted, in any form or by any means, electronic,
mechanical, photocopying, recording and/or otherwise, without the prior written
permission of the publishers.
First published in 1997
Second impression 1997
Third impression 1998
Fourth impression 1998
Fifth impression 1999
Sixth impression 2000
Seventh impression 2000
Second Edition 2001
by the BMJ Publishing Group, BMA House, Tavistock Square,
London WC1H 9JR
www.bmjbooks.com
British Library Cataloguing in Publication Data
A catalogue record for this book is available from the British Library
ISBN 0-7279-1578-9
Cover by Landmark Design, Croydon, Surrey
Typeset by FiSH Books, London
Printed and bound by MPG Books Ltd, Bodmin
Contents
Foreword to the first edition
Preface
Preface to the first edition:
Do you need
to read this book?
ix
xiii
xv
xvii
1
1
3
8
15
15
16
17
22
25
29
30
v
Acknowledgments
1
Why read papers at all?
Does “evidence based medicine” simply mean
“reading medical papers”?
Why do people often groan when you mention evidence
based medicine?
Before you start: formulate the problem
2
Searching the literature
Reading medical articles
The Medline database
Problem 1:You are trying to find a particular paper
which you know exists
Problem 2:You want to answer a very specific
clinical question
Problem 3:You want to get general information quickly
about a well defined topic
Problem 4:Your search gives you lots of irrelevant
articles
Problem 5:Your search gives you no articles
at all or not as many as you expected

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