. 2015 Mar 30;6(1):e1. doi: 10.5037/jomr.2014.6101
Copyright © Izedonmwen OM, Cunningham C, Macfarlane TV. Published in the JOURNAL OF ORAL & MAXILLOFACIAL RESEARCH (http://www.ejomr.org), 30 March 2015.
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Figure 1.
Flow diagram of study selection process (adapted from PRISMA statement).