An<unk> , also known as an<unk> al-wide<unk>  study (abbreviated EWAS), is a type of epidemiological study analogous to the genome-wide<unk>  study, or GWAS. The EWAS systematically examines the<unk>  between a complex disease and multiple individual<unk> al factors, controlling for multiple hypothesis testing.
Environment-wide association study
Natural history study
Intersalt study
Parallel study
Confirmatory trial
Platform trial
Mixing study
Solidarity trial