Use Boolean search operators and modifiers to target your search query and to find the results you need faster.
For example, a references search for turmeric immune cells returns over 11 million results; focusing the query by adding the and operator and quotation marks to search turmeric and "immune cells" returns 124 results.
The and operator specifies two terms that must be included. |
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The not operator specifies a term that must be excluded. |
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The or operator specifies that at least one expression or term in an expression is |
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Entering terms in quotation marks creates a bound phrase that specifies a side-by-side |
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Entering terms and operators in parentheses creates an expression that functions |
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