title: Historical roots of social epidemiology: socioeconomic gradients in health and contextual analysis.
authors.forename: N
authors.initials: N
authors.lastname: Krieger
mesh_terms: D004813:Epidemiology / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D012942:Social Sciences / Q000266:history*; D012959:Socioeconomic Factors