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<h4 class="subsubheading" id="Source-85"><span>Source<a class="copiable-link" href="#Source-85"> &para;</a></span></h4>

<p>Potvin, C., Lechowicz, M. J. and Tardif, S. (1990). The statistical
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<p>Pinheiro, J. C. and Bates, D. M. (2000). <cite class="cite">Mixed-effects Models
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<h4 class="subsubhead