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

History of AEARCTR-0000062

Date Registered Version
July 28, 2018 03:33 PM 2.0 View Full Trial View Changes (by Liang Bai)
October 04, 2013 01:55 PM 1.0 View Full Trial