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10 Studies found for: standard AND United States | ( Map: Prince Edward Island, Canada )

Terms and Synonyms Searched:

Terms Search Results* Entire Database**
Synonyms
standard 10 studies 75,981 studies
United States 10 studies 157,137 studies
U S -- 9 studies
U.S. -- 3,772 studies
States 10 studies 176,695 studies
Territory 1 studies 1,394 studies
stated -- 1,251 studies
United 10 studies 172,193 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