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We are happy to announce that all trial registrations will now be issued DOIs (digital object identifiers). For more information, see here.
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Fields Changed

Trial
Field Before After
JEL Code(s) R23, R21, R31, R38 J62, R23, R21, R31, R38
Last Published April 01, 2018 12:40 PM April 04, 2018 09:55 AM
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