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Term Accession Number---Identification number of a term selected from an ontology or a controlled vocabulary, if the term is entered as a value in source name, material type, characteristic [ ], parameter value [ ], factor value [ ], measurement value [], or unit , or statistic columnscolumns.
Term Source REF---The name which identifies the source from where a term is selected and entered in ISA-TAB-Nano study files. This name should match one of the names entered in the term source name field in the ISA-TAB-Nano Investigation File.
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