von Elm, E., Altman, D., Egger, M., Pocock, S., Gøtzsche, P., & Vandenbroucke, J. (2007). Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: Guidelines for reporting observational studies.
Chicago-referens (17:e uppl.)von Elm, E., D. Altman, M. Egger, S. Pocock, P. Gøtzsche, och J. Vandenbroucke. Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies. 2007.
MLA-referens (9:e uppl.)von Elm, E., et al. Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies. 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.