[Epidemiologic study of chronic diseases].
Geng
G
G
D002561:Cerebrovascular Disorders / Q000453:epidemiology; D002681:China / Q000453:epidemiology; D002908:Chronic Disease / Q000453:epidemiology*; D003327:Coronary Disease / Q000453:epidemiology; D006801:Humans; D006973:Hypertension / Q000453:epidemiology; D009369:Neoplasms / Q000453:epidemiology; D015995:Prevalence