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. 2016 Oct 20;11(10):e0164984. doi: 10.1371/journal.pone.0164984

Fig 2. Trial registration frequency in ICMJE recognized and non-ICMJE recognized journals.

Fig 2

(✓) = ICMJE recognized journal, (★) = non-ICMJE journal containing a trial registration statement within the journal’s “Instructions for Authors,” Journals lacking a symbol indicates that they are non-ICMJE recognized journals and that also lack a trial registration statement within the journal’s “Instructions for Authors”