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Optimism bias leads to inconclusive results-an empirical study.
Djulbegovic B, Kumar A, Magazin A, Schroen AT, Soares H, Hozo I, Clarke M, Sargent D, Schell MJ. Djulbegovic B, et al. J Clin Epidemiol. 2011 Jun;64(6):583-93. doi: 10.1016/j.jclinepi.2010.09.007. Epub 2010 Dec 16. J Clin Epidemiol. 2011. PMID: 21163620 Free PMC article. Review.