Are all clinical caries prevention studies biased?
Alanen
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D018849:Controlled Clinical Trials as Topic / Q000379:methods / Q000592:standards*; D003731:Dental Caries / Q000453:epidemiology / Q000517:prevention & control*; D018865:Dental Research / Q000592:standards*; D018450:Disease Progression; D006801:Humans; D015203:Reproducibility of Results; D015983:Selection Bias; D012680:Sensitivity and Specificity; D013997:Time Factors