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New page: A retrospective study identifies specific subjects for investigation, usually for disease, and looks backwards in time rather than forward in time. For example, a retrospective study migh...
A retrospective study identifies specific subjects for investigation, usually for disease, and looks backwards in time rather than forward in time. For example, a retrospective study might identify individuals who have developed cancer and then look backward in time at the their medical, family or occupational history to find potential causes for the disease.
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