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32207 Studies found for: standard AND United States

Terms and Synonyms Searched:

Terms Search Results* Entire Database**
Synonyms
standard 32,207 studies 75,082 studies
United States 32,206 studies 155,942 studies
U.S. 728 studies 3,753 studies
U S 1 studies 9 studies
States 32,074 studies 175,152 studies
stated 111 studies 1,221 studies
Territory 109 studies 1,374 studies
United 32,065 studies 170,860 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