References
- Uniform requirements for manuscripts submitted to biomedical journals and separate statements from the International Committee of Medical Journal Editors. http://www.icmje.org (website accessed 30/1/03)
- Begg C, Cho M, Eastwood, S Horton R, Moher D, Olkin I, et al. Improving the quality of reporting of randomized controlled trials. The CONSORT statement. JAMA 1996;276:637–9 (also available on http://www.consort-statement.org)