Methodology Review

Grey literature in meta-analyses of randomized trials of health care interventions

  1. Sally Hopewell1,*,
  2. Steve McDonald2,
  3. Mike J Clarke1,
  4. Matthias Egger3

Editorial Group: Cochrane Methodology Review Group

Published Online: 18 APR 2007

Assessed as up-to-date: 19 FEB 2007

DOI: 10.1002/14651858.MR000010.pub3

How to Cite

Hopewell S, McDonald S, Clarke MJ, Egger M. Grey literature in meta-analyses of randomized trials of health care interventions. Cochrane Database of Systematic Reviews 2007, Issue 2. Art. No.: MR000010. DOI: 10.1002/14651858.MR000010.pub3.

Author Information

  1. 1

    UK Cochrane Centre, Oxford, Oxfordshire, UK

  2. 2

    Monash Institute of Health Services Research, Australasian Cochrane Centre, Clayton, Victoria, Australia

  3. 3

    Institute of Social and Preventive Medicine, Department of Social Medicine, Bern, Switzerland

*Sally Hopewell, UK Cochrane Centre, National Institute for Health Research, Summertown Pavilion, Middle Way, Oxford, Oxfordshire, OX2 7LG, UK.

Publication History

  1. Publication Status: Edited (no change to conclusions)
  2. Published Online: 18 APR 2007


Options for accessing this content:

  • If you have access to this content through a society membership, please first log in to your society website.
  • Login via other institutional login options
  • You can purchase online access to this Article for a 24-hour period (price varies by title)
    • If you already have a Wiley Online Library or Wiley InterScience user account: login above and proceed to purchase the article.
    • New Users: Please register, then proceed to purchase the article.

Type your institution's name in the box below. If your institution is a Wiley customer, it will appear in the list of suggested institutions and you will be able to log in to access content. Some users may also log in directly via OpenAthens.

Please note that there are currently a number of duplicate entries in the list of institutions. We are actively working on fixing this issue and apologize for any inconvenience caused.

Please register to:

  • Save publications, articles and searches
  • Get email alerts
  • Get all the benefits mentioned below!

Register now >

Patient Access

Patients and/or caregivers may access this content for use in relation to their own personal healthcare or that of a family member only. Terms and conditions will apply.