1. Lefebvre C, Manheimer E, Glanville J. Chapter 6: Searching for studies. In: Higgins JP, Green S, editors. Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 [Internet]. The Cochrane Collaboration; 2011 [cited 2016 Jun 7]. Available from:
http://handbook.cochrane.org/
.
2. Chandler J, Churchill R, Higgins J, Lasserson T, Tovey D. Methodological Expectations of Cochrane Intervention Reviews (MECIR): Methodological standards for the conduct of new Cochrane Intervention Reviews [Internet]. Cochrane Collaboration; 2013 [cited 2016 Jun 7]. Available from:
http://editorial-unit.cochrane.org/mecir
.
3. Institute of Medicine. Finding what works in health care: standards for systematic reviews [Internet]. Washington, DC: The National Academies Press; 2011 [cited 2016 Jun 7]. Available from:
http://www.nationalacademies.org/hmd/Reports/2011/Finding-What-Works-in-Health-Care-Standards-for-Systematic-Reviews.aspx
.
4. McDonald S, Taylor L, Adams C. Searching the right database. A comparison of four databases for psychiatry journals. Health Libr Rev. 1999;16(3):151–6. Available from Medline:
http://www.ncbi.nlm.nih.gov/pubmed/10620849
.
5. Suarez-Almazor ME, Belseck E, Homik J, Dorgan M, Ramos-Remus C. Identifying clinical trials in the medical literature with electronic databases: MEDLINE alone is not enough. Control Clin Trials. 2000;21(5):476–87. Available from Medline:
http://www.ncbi.nlm.nih.gov/pubmed/11018564
.