title: A graphical method for pooling epidemiological studies.
authors.forename: W R
authors.initials: WR
authors.lastname: Chappell
authors.forename: L B
authors.initials: LB
authors.lastname: Gratt
mesh_terms: D000818:Animals; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology*; D008297:Male; D015201:Meta-Analysis as Topic; D016017:Odds Ratio; D018570:Risk Assessment; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*; D014481:United States / Q000453:epidemiology
chemical_list: D014028:Tobacco Smoke Pollution