Case-control studies are a frequently used in epidemiological studies.
Case-control studies compare participants who have a specific condition with participants who do not have the condition.
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A group of children who have poor dental health are followed across time.
The habit of sleeping with a bottle of juice or water of the poor dental health group is compared to the sleep habits of a control group.
A Cohort Study is a study in which participants who presently have a certain condition and/or receive a particular treatment are followed over time.
They are then compared with another group who are not affected by the condition.
It aims to provide advice on how to develop the search protocol and the strategy to identify the most relevant evidence for a given research or clinical question.
It will also focus on how to search not only the published but also the unpublished literature using a number of online resources.