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von Elm, Erik; Altman, Douglas G.; Egger, Matthias; Pocock, Stuart J.; Gøtzsche, Peter C.; Vandenbroucke, Jan P. (2009). The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies. UroToday International Journal, 2(2) Digital Science Press
Vandenbroucke, Jan P.; von Elm, Erik; Altman, Douglas G.; Gøtzsche, Peter C.; Mulrow, Cynthia D.; Pocock, Stuart J.; Poole, Charles; Schlesselman, James J.; Egger, Matthias (2007). Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): Explanation and Elaboration. Annals of internal medicine, 147(8), W-163. American College of Physicians