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


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