Re: "Geographic variation in sarcoidosis in South Carolina: its relation to socioeconomic status and health care indicators".
Rasmussen
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D015986:Confounding Factors, Epidemiologic; D003710:Demography; D006801:Humans; D019984:Quality Indicators, Health Care; D012507:Sarcoidosis / Q000453:epidemiology*; D012923:Social Class; D013022:South Carolina / Q000453:epidemiology; D044465:White People