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In order to register data in Cristin, you must be an academic or administrative employee.
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| 1. | Vist, Gunn Elisabeth; Hagen, KB; Devereaux, PJ; Bryant, D; Kristoffersen, Doris Tove; Oxman, Andrew David. Outcomes of patients who participate in randomised controlled trials compared to similar patients receiving similar interventions who do not participate (Review). Cochrane Database of Systematic Reviews 2007 (2) p. - FHI |
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