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Robert J. Levine, Louis Lasagna, Demystifying Central Review Boards: Current Options and Future Directions: A Summary Report of Outcomes from "Central IRB Review of Multi-Site Trials," 27-28 October 1998, IRB: Ethics & Human Research, Vol. 22, No. 6 (Nov. - Dec., 2000), pp. 1-9
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Levine et al. (2000) studied this question.
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