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357 Studies found for: standard AND United States | ( Map: Turkey )

Terms and Synonyms Searched:

Terms Search Results* Entire Database**
Synonyms
standard 357 studies 75,950 studies
United States 357 studies 157,091 studies
U.S. 10 studies 3,772 studies
U S -- 9 studies
States 355 studies 176,630 studies
Territory 22 studies 1,394 studies
stated 3 studies 1,248 studies
United 355 studies 172,143 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