Hopewell, S., Boutron, I., Altman, D., & Ravaud, P. (2013). Incorporation of assessments of risk of bias of primary studies in systematic reviews of randomised trials: A cross-sectional study. BMJ Publishing Group.
Chicago-referens (17:e uppl.)Hopewell, S., I. Boutron, D. Altman, och P. Ravaud. Incorporation of Assessments of Risk of Bias of Primary Studies in Systematic Reviews of Randomised Trials: A Cross-sectional Study. BMJ Publishing Group, 2013.
MLA-referens (9:e uppl.)Hopewell, S., et al. Incorporation of Assessments of Risk of Bias of Primary Studies in Systematic Reviews of Randomised Trials: A Cross-sectional Study. BMJ Publishing Group, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.