Any research begins with a question. Literature reviews are an important place to start your research because:
Keep in mind that there is more than one way to do literature review. Here are two common examples you will see in CINAHL
1. Papers that inclue a literature review section just after the introduction. These are articles that include a literature review to bring the reader up to speed on past research and then usually introduce their own work.
2. Papers that are entirely literature review from start to finish. These are articles that examine the past literature and bring the reader up to date on a particular concept or topic.
Grey literature is not found in "traditional publishing cycles". Grey literature is produced by universities, government agencies and non profits to name a few.
In all these databases:
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