Examinant per Autoria "Spiegelman, Donna"
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Ítem Accés Obert Optimal combination of number of participants and number of repeated measurements in longitudinal studies with time-varying exposure(Wiley-VCH Verlag, 2013) Barrera Gómez, Jose; Spiegelman, Donna; Basagaña Flores, Xavier
Ítem Accés Obert Power and sample size calculations for longitudinal studies comparing rates of change with a time-varying exposure(Wiley-VCH Verlag, 2010) Basagaña Flores, Xavier; Liao, Xiaomei; Spiegelman, Donna
Ítem Accés Obert Power and sample size calculations for longitudinal studies estimating a main effect of a time-varying exposure(SAGE Publications, 2011) Basagaña Flores, Xavier; Spiegelman, Donna