A genetic association case-control study compares the frequency ... sampled from families ('family-based' association study), the most common design involves the analysis of unrelated individuals ...

Here’s a quick guide to understanding study design that will help you navigate ... For their retrospective case-control study, researchers looked at death certificates from two counties in ...

The prioritization of U.S. health care personnel for early receipt of messenger RNA (mRNA) vaccines against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus that causes ...