This protocol describes how to appropriately design a genetic association case–control study, either focusing on a candidate gene (CG) or region or implementing a genome-wide approach. The steps ...

A case-control study is a type of medical research investigation often used to help determine the cause of a disease, particularly when investigating a disease outbreak or rare condition. If public ...

In a nationally representative sample of 1.1 million homes, we compared the prevalence of smoking among 33,000 deceased women and 41,000 deceased men (case subjects) with the prevalence of smoking ...