explain why a case-control study is often referred to as a retrospective study

explain why a case-control study is often referred to as a retrospective study. There are some references to explain why a case-control study is often referred to as a retrospective study in this article. If you are looking for explain why a case-control study is often referred to as a retrospective study you've came to the right place. We have posts about explain why a case-control study is often referred to as a retrospective study. You can check it out below.

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