<?xml version="1.0" standalone="yes"?>
<controlled_vocabulary db_table="ExperimentFactors" db_column="major_category" cv_table="EF_MajorCategory">
  <comment type="definition">This table supplies the restricted vocabulary for the column major category in the table Experimental Factor and describes those variables in the experiment not considered to be the treatment		
</comment>
  <comment type="curation_tool_programatic">The elements of this
controlled vocabulary are encoded in the curation tool. They are not
currently implemented but are likely to be soon.</comment>
<term name="methodological_factor"
        description="variations in the methods and procedures used to prepare reagents like RNA and cDNA"/>
<term name="biological_factor"
        description="variations in the way an organism was treated,
such as environmental stress like heat shock and cold shock"/>
</controlled_vocabulary>

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