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The Cochrane Database of Systematic Reviews|May 2, 2013
Skin patch and vaginal ring versus combined oral contraceptives for contraceptionLaureen M Lopez, David A Grimes, Maria F Gallo, et al.Plos Medicine|January 18, 2007
Ghost authorship in industry-initiated randomised trialsPeter C Gøtzsche, Asbjørn Hróbjartsson, Helle Krogh Johansen, et al.The New England Journal of Medicine|December 14, 2016
Randomized Trial of Bilateral versus Single Internal-Thoracic-Artery GraftsDavid P Taggart, Douglas G Altman, Alastair M Gray, et al.Journal of Clinical Epidemiology|March 4, 2008
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studiesErik von Elm, Douglas G Altman, Matthias Egger, et al.Trials|August 8, 2012
Developing core outcome sets for clinical trials: issues to considerPaula R Williamson, Douglas G Altman, Jane M Blazeby, et al.Contraception|June 12, 2002
Biphasic versus triphasic oral contraceptives for contraceptionHubertus A A M van Vliet, David A Grimes, Frans M Helmerhorst, et al.Human Reproduction (Oxford, England)|April 2, 2002
Biphasic versus monophasic oral contraceptives for contraception: a Cochrane reviewHubertus A A M Van Vliet, David A Grimes, Frans M Helmerhorst, et al.Ugeskrift for Laeger|July 11, 2006
[Constraints on publication rights in industry-initiated clinical trials--secondary publication]Peter C Gøtzsche, Asbjørn Hróbjartsson, Helle Krogh Johansen, et al.Revista Espanola De Salud Publica|August 20, 2008
[The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies]Erik von Elm, Douglas G Altman, Matthias Egger, et al.International Journal of Surgery (London, England)|July 22, 2014
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: guidelines for reporting observational studiesErik von Elm, Douglas G Altman, Matthias Egger, et al.Pageof 102