Von Elm, E., Altman, D., Egger, M., Pocock, S., Gøtzsche, P., & Vandenbroucke, J. (2019). The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: Guidelines for reporting observational studies. Ministerio de Sanidad y Consumo.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Von Elm, E., D. Altman, M. Egger, S. Pocock, P. Gøtzsche, và J. Vandenbroucke. The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies. Ministerio de Sanidad y Consumo, 2019.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Von Elm, E., et al. The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies. Ministerio de Sanidad y Consumo, 2019.