if (FALSE) searchabsL(myabs, include="term")
searchabsL(myabs, yr="2013")
searchabsL(myabs, restrict="term")
searchabsL(myabs, exclude="term")
searchabsL(myabs, include="term", exclude="term2")
## Here myabs is the object of class Abstracts containing data,
## "term" is the query term to be search.
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