Bradford Hill criteria

== English == === Etymology === Established by Austin Bradford Hill (1897–1991), English epidemiologist and statistician, in 1965. === Noun === Bradford Hill criteria pl (normally plural, singular Bradford Hill criterion) (epidemiology) A group of nine principles, widely used in public health research, that can be useful in establishing epidemiologic evidence of a causal relationship between a presumed cause and an observed effect. Synonym: Hill criteria