Beyond social class.
Delzell
E
E
D004812:Epidemiologic Methods; D006801:Humans; D009017:Morbidity; D009101:Multiple Myeloma / Q000453:epidemiology; D009369:Neoplasms / Q000453:epidemiology* / Q000401:mortality / Q000517:prevention & control; D012307:Risk Factors; D012923:Social Class; D014481:United States / Q000453:epidemiology