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Use quotes to search a phrase - "computer programming"
Use the Boolean operators to combine terms. To narrow a search, choose AND or NOT.
To widen a search, use synonyms with OR.
(heart OR cardiac) AND surgery - for all
records having heart or cardiac in them, together with the
word surgery.
Use ? for truncation - telom? finds telomeric, telomere etc.
You may use lower- or upper-case letters (case does not matter).
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