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Peer-reviewed or academic articles are articles written by academics/experts/researchers on a specific field of study. These articles usually contain a bibliography at the end of the article and information on the author’s academic qualifications and university at the beginning of the article. A peer-reviewed journal article was reviewed by people with credentials in the article's field of study before being accepted for publication.
What is a database?
A database is an electronic index to journal or magazine articles, containing citations, abstracts and often either the full text of the articles, or links to the full text.