Bibliography

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Sampson M, Barrowman NJ, Moher D, et al. "Can electronic search engines optimize screening of search results in systematic reviews: an empirical study." BMC Med Res Methodol. 2006;6:7. Abstract
Sampson M, Zhang L, Morrison A, et al. "An alternative to the hand searching gold standard: validating methodological search filters using relative recall." BMC Med Res Methodol. 2006;6:33. Abstract