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1by von Elm,Erik, Altman,Douglas G., Egger,Matthias, Pocock,Stuart J., Gøtzsche,Peter C., Vandenbroucke,Jan P.
Published 2008Digital revistaSCIELO -
2by von Elm,Erik, Altman,Douglas G., Egger,Matthias, Pocock,Stuart J., Gøtzsche,Peter C., Vandenbroucke,Jan P.
Published 2008Digital revistaSCIELO -
3by 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
Published 2009Digital revistaSCIELO