Comparison of intervention effects in split-mouth and parallel-arm randomized controlled trials: a meta-epidemiological study
Split-mouth randomized controlled trials (RCTs) are popular in oral health research. Meta-analyses frequently include trials of both split-mouth and parallel-arm designs to derive combined intervention effects. However, carry-over effects may induce bias in split- mouth RCTs. We aimed to assess whet...
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Veröffentlicht in: | BMC medical research methodology 2014-05, Vol.14 (1), p.64-64, Article 64 |
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