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<b>Experimental design</b>
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<label class="col-md-4 control-label" for="checkboxes"><b>1.</b> Which species was used in this study?</label>
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Mice (mus musculus)
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Rat (rattus norvegicus forma domestica)
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<input type="checkbox" name="checkboxes" id="checkboxes-2" value="3">
Both
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