title: Quantification and the quest for medical certainty.
authors.forename: G D
authors.initials: GD
authors.lastname: Smith
authors.forename: M
authors.initials: M
authors.lastname: Egger
mesh_terms: D015982:Bias; D003627:Data Interpretation, Statistical; D004812:Epidemiologic Methods; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology / Q000209:etiology; D016017:Odds Ratio; D012907:Smoking / Q000009:adverse effects