title: Is gender still a non-field?
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Ettorre
mesh_terms: D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors; D012940:Social Problems / Q000517:prevention & control / Q000706:statistics & numerical data; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000517:prevention & control / Q000534:rehabilitation; D014481:United States