Find more (broaden your results) with OR and wildcards:
euthanasia or assisted suicide (finds either term)
ethic* (finds ethic, ethics, ethically, etc.)
Find less (narrow your results) with AND:
genetically modified food and corn (finds both terms)
Find less with NOT:
stem cells not embryo* (excludes records that mention embryo, embryos, etc.)
Sample search statement:
genetic testing and (moral* or ethic*)
Limiters can help to improve the relevance and focus of results:
Enter your search terms, and select a desired category:
When searching Everything or Articles, natural language often works well.
For Books and Media, keywords or short, common phrases usually work better. Use quotation marks for an "exact phrase."
You also can search a digital object identifier (DOI) or International Standard Book Number (ISBN) for a known item.
For more complex searches like (climate change OR global warming) AND polar bears, use Advanced Search.
Once you have a set of results, select and apply relevant filters (e.g., peer-reviewed journals, available online, etc.) on the left of the screen.
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