title: Results of the second National Health and Nutrition Examination Survey (NHANES II)
authors.forename: I H
authors.initials: IH
authors.lastname: Chen
mesh_terms: D006306:Health Surveys; D006801:Humans; D017116:Low Back Pain / Q000208:ethnology*; D009749:Nutrition Surveys; D015995:Prevalence; D012307:Risk Factors; D014481:United States / Q000453:epidemiology