This is an archived version of the Handbook. For the current version, please go to or search for this chapter here.

4.13  Chapter information

Editors: Julian PT Higgins and Sally Green.

This chapter should be cited as: Higgins JPT, Green S (editors). Chapter 4: Guide to the contents of a Cochrane protocol and review. In: Higgins JPT, Green S (editors). Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 (updated March 2011). The Cochrane Collaboration, 2011. Available from

Acknowledgements: This chapter builds on earlier versions of the Handbook. For details of previous authors and editors of the Handbook, please refer to Chapter 1 (Section 1.4). The list of recommended headings was developed by Julian Higgins in discussion with Mike Clarke, Sally Hopewell, Jacqueline Birks, numerous Review Group Co-ordinators, a working group on assessing risk of bias, and members of the Handbook Advisory Group. Contributing authors in recent updates have included Ginny Brunton, Mike Clarke, Mark Davies, Frances Fairman, Sally Green, Julian Higgins, Nicki Jackson, Harriet MacLehose, Sandy Oliver, Peter Tugwell and Janet Wale. We thank Lisa Askie, Sonja Henderson, Monica Kjeldstrøm, Carol Lefebvre, Philippa Middleton, Rasmus Moustgaard, Holger Schünemann and Rebecca Smyth for helpful comments.