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Koletsi, Despina; Fleming, Padhraig S; Seehra, Jadbinder; Bagos, Pantelis G; Pandis, Nikolaos (2014). Are sample sizes clear and justified in RCTs published in dental journals? PLoS ONE, 9(1), e85949. Public Library of Science 10.1371/journal.pone.0085949
