title: Scientific standards in epidemiologic studies.
authors.affiliation: University of Washington, Seattle 98195.
authors.forename: N S
authors.initials: NS
authors.lastname: Weiss
mesh_terms: D015982:Bias; D015984:Causality; D004812:Epidemiologic Methods; D004813:Epidemiology / Q000592:standards*; D006801:Humans; D012586:Science / Q000592:standards*