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4244 Studies found for: standard AND United States | ( Map: Ohio, United States )

Terms and Synonyms Searched:

Terms Search Results* Entire Database**
Synonyms
standard 4,244 studies 71,200 studies
United States 4,244 studies 150,694 studies
U.S. 66 studies 3,628 studies
U S -- 9 studies
States 4,244 studies 168,368 studies
Territory 60 studies 1,306 studies
stated 13 studies 1,108 studies
United 4,244 studies 165,005 studies

   
-- No studies found
* Number of studies in the search results containing the term or synonym
** Number of studies in the entire database containing the term or synonym

Related Terms: