von Elm, E., Altman, D., Egger, M., Pocock, S., Gøtzsche, P., Vandenbroucke, J., & Initiative, S. (2008). The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: Guidelines for reporting observational studies. Elsevier.
Lua i Stíl Chicago (17ú heag.)von Elm, E., DG Altman, M. Egger, SJ Pocock, P. Gøtzsche, J. Vandenbroucke, agus STROBE Initiative. The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies. Elsevier, 2008.
Lua MLA (9ú heag.)von Elm, E., et al. The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies. Elsevier, 2008.
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