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1. From the CSSI Data Portal home page, click the Search button or select Investigations > Search.
   
   
   The Search Investigations page appears.
   
2. In the Search box, enter a keyword or phrase. Search results appear immediately, using the default context of Investigations.
3. To change the context, from the Search for list, select Studies or Assays.
4. Under Search for related terms, select Ontology for Biomedical Investigations, NCI Thesaurus, or both. By default, both are selected but if you change the selection, the search results refresh.
5. Under Include, select either Synonyms Only or Synonyms and Subclasses. By default, Synonyms Only is selected.
   This  This selection restricts or expands the search of the keyword or phrase you entered within the ontology/ies you selected. The search results refresh.
   
   Synonyms include terms in an ontology that are closely related to the keyword or phrase you entered. Subclasses are lower categories associated with the ontology term.
   If synonyms and/or subclasses of the keyword or phrase you entered exist in the ontology you selected, they appear in the Synonyms box or the Subclasses box, respectively.
6. Click any investigation name, study name, or assay filename to explore the data further.

Downloading Investigation Data

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