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Nesting is a way of grouping similar concepts together. It also lets you control how the terms are searched.

Words are nested together by using parentheses ( ) in your search.


(elderly or aged) and (fall* or tripping)

The database will search for what is contained in the parentheses ( ) first, and will then
combine the two. e.g. the database will look for elderly or aged and then look for fall* or tripping, and finally will combine the results.

Nesting allows you to use two or more boolean operators (AND, OR, NOT) effectively within the one search strategy.

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