Rheumatic heart disease epidemiology. II. Colorado's high-risk low-socioeconomic region in 1960.
D000531:Altitude; D002980:Climate; D003120:Colorado; D004812:Epidemiologic Methods; D006801:Humans; D011153:Population; D012213:Rheumatic Fever / Q000453:epidemiology / Q000401:mortality; D012214:Rheumatic Heart Disease / Q000453:epidemiology / Q000209:etiology / Q000401:mortality; D012959:Socioeconomic Factors; D013290:Streptococcal Infections / Q000175:diagnosis / Q000453:epidemiology; D014481:United States