Non-Participation in a Randomized Controlled Trial: The Effect on Clinical and Non-Clinical Variables

Studies reporting clinical and non-clinical parameters of participants and non-participants of clinical trials are scarce. In the available studies non-participants were likely to show less favourable outcomes than participants on both socioeconomic parameters as well as on caries experience. Howeve...

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Veröffentlicht in:Caries research 2011-01, Vol.45 (3), p.269-274
Hauptverfasser: Vermaire, J.H., van Loveren, C., Poorterman, J.H.G., Hoogstraten, J.
Format: Artikel
Sprache:eng
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